Home / 103,678,983.24-155,517,409.70-59,931,905.71

Finding the Fourth Proportional to 103,678,983.24, 155,517,409.70 and 59,931,905.71

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Solution

The fourth proportional to 103,678,983.24, 155,517,409.70 and 59,931,905.71 is: 89,897,242.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,678,983.24 : 155,517,409.70 = 59,931,905.71 : x
  2. Step 2: Convert to fraction form
    103,678,983.24/155,517,409.70 = 59,931,905.71/x
  3. Step 3: Cross multiply
    103,678,983.24x = 155,517,409.70 × 59,931,905.71
  4. Step 4: Simplify right side
    103,678,983.24x = 9,320,454,734,403,838
  5. Step 5: Solve for x
    x = 9,320,454,734,403,838/103,678,983.24
  6. Step 6: Final answer
    x = 89,897,242.85

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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.