Home / 82,944,723.60-124,417,085.40-75,386,451.60

Finding the Fourth Proportional to 82,944,723.60, 124,417,085.40 and 75,386,451.60

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Solution

The fourth proportional to 82,944,723.60, 124,417,085.40 and 75,386,451.60 is: 113,079,677.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,944,723.60 : 124,417,085.40 = 75,386,451.60 : x
  2. Step 2: Convert to fraction form
    82,944,723.60/124,417,085.40 = 75,386,451.60/x
  3. Step 3: Cross multiply
    82,944,723.60x = 124,417,085.40 × 75,386,451.60
  4. Step 4: Simplify right side
    82,944,723.60x = 9,379,362,586,720,166
  5. Step 5: Solve for x
    x = 9,379,362,586,720,166/82,944,723.60
  6. Step 6: Final answer
    x = 113,079,677.40

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Double scale
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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.