Home / 91,727,465.40-137,591,198.10-84,712,444.20

Finding the Fourth Proportional to 91,727,465.40, 137,591,198.10 and 84,712,444.20

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Solution

The fourth proportional to 91,727,465.40, 137,591,198.10 and 84,712,444.20 is: 127,068,666.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,727,465.40 : 137,591,198.10 = 84,712,444.20 : x
  2. Step 2: Convert to fraction form
    91,727,465.40/137,591,198.10 = 84,712,444.20/x
  3. Step 3: Cross multiply
    91,727,465.40x = 137,591,198.10 × 84,712,444.20
  4. Step 4: Simplify right side
    91,727,465.40x = 11,655,686,691,457,396
  5. Step 5: Solve for x
    x = 11,655,686,691,457,396/91,727,465.40
  6. Step 6: Final answer
    x = 127,068,666.30

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Similar ratio
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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.