Home / 103,520,331.30-155,280,496.95-49,639,908.90

Finding the Fourth Proportional to 103,520,331.30, 155,280,496.95 and 49,639,908.90

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Solution

The fourth proportional to 103,520,331.30, 155,280,496.95 and 49,639,908.90 is: 74,459,863.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,520,331.30 : 155,280,496.95 = 49,639,908.90 : x
  2. Step 2: Convert to fraction form
    103,520,331.30/155,280,496.95 = 49,639,908.90/x
  3. Step 3: Cross multiply
    103,520,331.30x = 155,280,496.95 × 49,639,908.90
  4. Step 4: Simplify right side
    103,520,331.30x = 7,708,109,722,544,727
  5. Step 5: Solve for x
    x = 7,708,109,722,544,727/103,520,331.30
  6. Step 6: Final answer
    x = 74,459,863.35

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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.