Home / 72,354,936,431.14-99,849,261,239.59-39,801,450,890.93

Finding the Fourth Proportional to 72,354,936,431.14, 99,849,261,239.59 and 39,801,450,890.93

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Solution

The fourth proportional to 72,354,936,431.14, 99,849,261,239.59 and 39,801,450,890.93 is: 54,925,699,112.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,354,936,431.14 : 99,849,261,239.59 = 39,801,450,890.93 : x
  2. Step 2: Convert to fraction form
    72,354,936,431.14/99,849,261,239.59 = 39,801,450,890.93/x
  3. Step 3: Cross multiply
    72,354,936,431.14x = 99,849,261,239.59 × 39,801,450,890.93
  4. Step 4: Simplify right side
    72,354,936,431.14x = 3,974,145,467,722,483,892,224
  5. Step 5: Solve for x
    x = 3,974,145,467,722,483,892,224/72,354,936,431.14
  6. Step 6: Final answer
    x = 54,925,699,112.52

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Double scale
Find fourth proportional to 72,354,936,432.14, 99,849,261,240.97 and 39,801,450,891.93
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.