Home / 73,119,924.15-100,906,714.81-39,630,472.43

Finding the Fourth Proportional to 73,119,924.15, 100,906,714.81 and 39,630,472.43

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Solution

The fourth proportional to 73,119,924.15, 100,906,714.81 and 39,630,472.43 is: 54,690,712.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,119,924.15 : 100,906,714.81 = 39,630,472.43 : x
  2. Step 2: Convert to fraction form
    73,119,924.15/100,906,714.81 = 39,630,472.43/x
  3. Step 3: Cross multiply
    73,119,924.15x = 100,906,714.81 × 39,630,472.43
  4. Step 4: Simplify right side
    73,119,924.15x = 3,998,980,778,824,582
  5. Step 5: Solve for x
    x = 3,998,980,778,824,582/73,119,924.15
  6. Step 6: Final answer
    x = 54,690,712.90

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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.