Home / 82,944,081.40-124,416,122.10-72,327,249.40

Finding the Fourth Proportional to 82,944,081.40, 124,416,122.10 and 72,327,249.40

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Solution

The fourth proportional to 82,944,081.40, 124,416,122.10 and 72,327,249.40 is: 108,490,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,081.40 : 124,416,122.10 = 72,327,249.40 : x
  2. Step 2: Convert to fraction form
    82,944,081.40/124,416,122.10 = 72,327,249.40/x
  3. Step 3: Cross multiply
    82,944,081.40x = 124,416,122.10 × 72,327,249.40
  4. Step 4: Simplify right side
    82,944,081.40x = 8,998,675,892,507,552
  5. Step 5: Solve for x
    x = 8,998,675,892,507,552/82,944,081.40
  6. Step 6: Final answer
    x = 108,490,874.10

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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.