Home / 107,509,787.92-148,374,891.30-65,718,316.05

Finding the Fourth Proportional to 107,509,787.92, 148,374,891.30 and 65,718,316.05

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Solution

The fourth proportional to 107,509,787.92, 148,374,891.30 and 65,718,316.05 is: 90,698,234.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,509,787.92 : 148,374,891.30 = 65,718,316.05 : x
  2. Step 2: Convert to fraction form
    107,509,787.92/148,374,891.30 = 65,718,316.05/x
  3. Step 3: Cross multiply
    107,509,787.92x = 148,374,891.30 × 65,718,316.05
  4. Step 4: Simplify right side
    107,509,787.92x = 9,750,948,000,337,796
  5. Step 5: Solve for x
    x = 9,750,948,000,337,796/107,509,787.92
  6. Step 6: Final answer
    x = 90,698,234.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.