Home / 82,944,009.40-124,416,014.10-72,327,177.40

Finding the Fourth Proportional to 82,944,009.40, 124,416,014.10 and 72,327,177.40

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Solution

The fourth proportional to 82,944,009.40, 124,416,014.10 and 72,327,177.40 is: 108,490,766.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,009.40 : 124,416,014.10 = 72,327,177.40 : x
  2. Step 2: Convert to fraction form
    82,944,009.40/124,416,014.10 = 72,327,177.40/x
  3. Step 3: Cross multiply
    82,944,009.40x = 124,416,014.10 × 72,327,177.40
  4. Step 4: Simplify right side
    82,944,009.40x = 8,998,659,123,211,602
  5. Step 5: Solve for x
    x = 8,998,659,123,211,602/82,944,009.40
  6. Step 6: Final answer
    x = 108,490,766.10

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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.