Home / 178,769,909.40-268,154,864.10-159,496,315.80

Finding the Fourth Proportional to 178,769,909.40, 268,154,864.10 and 159,496,315.80

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Solution

The fourth proportional to 178,769,909.40, 268,154,864.10 and 159,496,315.80 is: 239,244,473.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,769,909.40 : 268,154,864.10 = 159,496,315.80 : x
  2. Step 2: Convert to fraction form
    178,769,909.40/268,154,864.10 = 159,496,315.80/x
  3. Step 3: Cross multiply
    178,769,909.40x = 268,154,864.10 × 159,496,315.80
  4. Step 4: Simplify right side
    178,769,909.40x = 42,769,712,887,799,688
  5. Step 5: Solve for x
    x = 42,769,712,887,799,688/178,769,909.40
  6. Step 6: Final answer
    x = 239,244,473.70

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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.