Home / 242,438,234.40-363,885,674.40-127,505,260.80

Finding the Fourth Proportional to 242,438,234.40, 363,885,674.40 and 127,505,260.80

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Solution

The fourth proportional to 242,438,234.40, 363,885,674.40 and 127,505,260.80 is: 191,377,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,438,234.40 : 363,885,674.40 = 127,505,260.80 : x
  2. Step 2: Convert to fraction form
    242,438,234.40/363,885,674.40 = 127,505,260.80/x
  3. Step 3: Cross multiply
    242,438,234.40x = 363,885,674.40 × 127,505,260.80
  4. Step 4: Simplify right side
    242,438,234.40x = 46,397,337,815,755,880
  5. Step 5: Solve for x
    x = 46,397,337,815,755,880/242,438,234.40
  6. Step 6: Final answer
    x = 191,377,972.75

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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.