Home / 103,688,901.30-155,533,351.95-65,225,694.90

Finding the Fourth Proportional to 103,688,901.30, 155,533,351.95 and 65,225,694.90

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Solution

The fourth proportional to 103,688,901.30, 155,533,351.95 and 65,225,694.90 is: 97,838,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,688,901.30 : 155,533,351.95 = 65,225,694.90 : x
  2. Step 2: Convert to fraction form
    103,688,901.30/155,533,351.95 = 65,225,694.90/x
  3. Step 3: Cross multiply
    103,688,901.30x = 155,533,351.95 × 65,225,694.90
  4. Step 4: Simplify right side
    103,688,901.30x = 10,144,770,961,065,020
  5. Step 5: Solve for x
    x = 10,144,770,961,065,020/103,688,901.30
  6. Step 6: Final answer
    x = 97,838,542.35

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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.