Home / 91,727,432.40-137,591,148.60-84,712,411.20

Finding the Fourth Proportional to 91,727,432.40, 137,591,148.60 and 84,712,411.20

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Solution

The fourth proportional to 91,727,432.40, 137,591,148.60 and 84,712,411.20 is: 127,068,616.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,727,432.40 : 137,591,148.60 = 84,712,411.20 : x
  2. Step 2: Convert to fraction form
    91,727,432.40/137,591,148.60 = 84,712,411.20/x
  3. Step 3: Cross multiply
    91,727,432.40x = 137,591,148.60 × 84,712,411.20
  4. Step 4: Simplify right side
    91,727,432.40x = 11,655,677,957,683,504
  5. Step 5: Solve for x
    x = 11,655,677,957,683,504/91,727,432.40
  6. Step 6: Final answer
    x = 127,068,616.80

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1.5x scale

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.