Home / 72,544,314.34-100,111,160.09-39,504,553.59

Finding the Fourth Proportional to 72,544,314.34, 100,111,160.09 and 39,504,553.59

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Solution

The fourth proportional to 72,544,314.34, 100,111,160.09 and 39,504,553.59 is: 54,516,287.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,544,314.34 : 100,111,160.09 = 39,504,553.59 : x
  2. Step 2: Convert to fraction form
    72,544,314.34/100,111,160.09 = 39,504,553.59/x
  3. Step 3: Cross multiply
    72,544,314.34x = 100,111,160.09 × 39,504,553.59
  4. Step 4: Simplify right side
    72,544,314.34x = 3,954,846,688,732,474.50
  5. Step 5: Solve for x
    x = 3,954,846,688,732,474.50/72,544,314.34
  6. Step 6: Final answer
    x = 54,516,287.39

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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.