Home / 89,712,966.30-134,632,435.05-38,631,644.70

Finding the Fourth Proportional to 89,712,966.30, 134,632,435.05 and 38,631,644.70

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Solution

The fourth proportional to 89,712,966.30, 134,632,435.05 and 38,631,644.70 is: 57,974,589.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,712,966.30 : 134,632,435.05 = 38,631,644.70 : x
  2. Step 2: Convert to fraction form
    89,712,966.30/134,632,435.05 = 38,631,644.70/x
  3. Step 3: Cross multiply
    89,712,966.30x = 134,632,435.05 × 38,631,644.70
  4. Step 4: Simplify right side
    89,712,966.30x = 5,201,072,395,947,428
  5. Step 5: Solve for x
    x = 5,201,072,395,947,428/89,712,966.30
  6. Step 6: Final answer
    x = 57,974,589.52

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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.