Home / 242,534,462.40-363,854,837.70-78,744,346.20

Finding the Fourth Proportional to 242,534,462.40, 363,854,837.70 and 78,744,346.20

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Solution

The fourth proportional to 242,534,462.40, 363,854,837.70 and 78,744,346.20 is: 118,133,773.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,534,462.40 : 363,854,837.70 = 78,744,346.20 : x
  2. Step 2: Convert to fraction form
    242,534,462.40/363,854,837.70 = 78,744,346.20/x
  3. Step 3: Cross multiply
    242,534,462.40x = 363,854,837.70 × 78,744,346.20
  4. Step 4: Simplify right side
    242,534,462.40x = 28,651,511,306,393,612
  5. Step 5: Solve for x
    x = 28,651,511,306,393,612/242,534,462.40
  6. Step 6: Final answer
    x = 118,133,773.74

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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.