Home / 123,915,041.40-185,872,562.10-59,344,959.90

Finding the Fourth Proportional to 123,915,041.40, 185,872,562.10 and 59,344,959.90

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Solution

The fourth proportional to 123,915,041.40, 185,872,562.10 and 59,344,959.90 is: 89,017,439.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,915,041.40 : 185,872,562.10 = 59,344,959.90 : x
  2. Step 2: Convert to fraction form
    123,915,041.40/185,872,562.10 = 59,344,959.90/x
  3. Step 3: Cross multiply
    123,915,041.40x = 185,872,562.10 × 59,344,959.90
  4. Step 4: Simplify right side
    123,915,041.40x = 11,030,599,744,334,760
  5. Step 5: Solve for x
    x = 11,030,599,744,334,760/123,915,041.40
  6. Step 6: Final answer
    x = 89,017,439.85

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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.