Home / 73,119,925.65-100,906,716.89-39,630,473.93

Finding the Fourth Proportional to 73,119,925.65, 100,906,716.89 and 39,630,473.93

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Solution

The fourth proportional to 73,119,925.65, 100,906,716.89 and 39,630,473.93 is: 54,690,714.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,119,925.65 : 100,906,716.89 = 39,630,473.93 : x
  2. Step 2: Convert to fraction form
    73,119,925.65/100,906,716.89 = 39,630,473.93/x
  3. Step 3: Cross multiply
    73,119,925.65x = 100,906,716.89 × 39,630,473.93
  4. Step 4: Simplify right side
    73,119,925.65x = 3,998,981,012,368,349.50
  5. Step 5: Solve for x
    x = 3,998,981,012,368,349.50/73,119,925.65
  6. Step 6: Final answer
    x = 54,690,714.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.