Home / 216,328,988.16-324,266,734.08-79,927,372.80

Finding the Fourth Proportional to 216,328,988.16, 324,266,734.08 and 79,927,372.80

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Solution

The fourth proportional to 216,328,988.16, 324,266,734.08 and 79,927,372.80 is: 119,807,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,328,988.16 : 324,266,734.08 = 79,927,372.80 : x
  2. Step 2: Convert to fraction form
    216,328,988.16/324,266,734.08 = 79,927,372.80/x
  3. Step 3: Cross multiply
    216,328,988.16x = 324,266,734.08 × 79,927,372.80
  4. Step 4: Simplify right side
    216,328,988.16x = 25,917,788,141,450,624
  5. Step 5: Solve for x
    x = 25,917,788,141,450,624/216,328,988.16
  6. Step 6: Final answer
    x = 119,807,282.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.