Home / 105,447,909.18-145,516,489.29-59,039,823.86

Finding the Fourth Proportional to 105,447,909.18, 145,516,489.29 and 59,039,823.86

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Solution

The fourth proportional to 105,447,909.18, 145,516,489.29 and 59,039,823.86 is: 81,474,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,447,909.18 : 145,516,489.29 = 59,039,823.86 : x
  2. Step 2: Convert to fraction form
    105,447,909.18/145,516,489.29 = 59,039,823.86/x
  3. Step 3: Cross multiply
    105,447,909.18x = 145,516,489.29 × 59,039,823.86
  4. Step 4: Simplify right side
    105,447,909.18x = 8,591,267,895,679,593
  5. Step 5: Solve for x
    x = 8,591,267,895,679,593/105,447,909.18
  6. Step 6: Final answer
    x = 81,474,046.88

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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.