Home / 159,081,234.12-219,506,444.46-89,462,463.12

Finding the Fourth Proportional to 159,081,234.12, 219,506,444.46 and 89,462,463.12

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Solution

The fourth proportional to 159,081,234.12, 219,506,444.46 and 89,462,463.12 is: 123,443,769.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,081,234.12 : 219,506,444.46 = 89,462,463.12 : x
  2. Step 2: Convert to fraction form
    159,081,234.12/219,506,444.46 = 89,462,463.12/x
  3. Step 3: Cross multiply
    159,081,234.12x = 219,506,444.46 × 89,462,463.12
  4. Step 4: Simplify right side
    159,081,234.12x = 19,637,587,192,105,080
  5. Step 5: Solve for x
    x = 19,637,587,192,105,080/159,081,234.12
  6. Step 6: Final answer
    x = 123,443,769.47

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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.