Home / 159,005,631.96-238,338,383.58-72,614,583

Finding the Fourth Proportional to 159,005,631.96, 238,338,383.58 and 72,614,583

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Solution

The fourth proportional to 159,005,631.96, 238,338,383.58 and 72,614,583 is: 108,844,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,005,631.96 : 238,338,383.58 = 72,614,583 : x
  2. Step 2: Convert to fraction form
    159,005,631.96/238,338,383.58 = 72,614,583/x
  3. Step 3: Cross multiply
    159,005,631.96x = 238,338,383.58 × 72,614,583
  4. Step 4: Simplify right side
    159,005,631.96x = 17,306,842,336,555,748
  5. Step 5: Solve for x
    x = 17,306,842,336,555,748/159,005,631.96
  6. Step 6: Final answer
    x = 108,844,209.62

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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.