Home / 243,320,131.20-365,061,680.64-79,565,439.36

Finding the Fourth Proportional to 243,320,131.20, 365,061,680.64 and 79,565,439.36

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Solution

The fourth proportional to 243,320,131.20, 365,061,680.64 and 79,565,439.36 is: 119,374,804.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,320,131.20 : 365,061,680.64 = 79,565,439.36 : x
  2. Step 2: Convert to fraction form
    243,320,131.20/365,061,680.64 = 79,565,439.36/x
  3. Step 3: Cross multiply
    243,320,131.20x = 365,061,680.64 × 79,565,439.36
  4. Step 4: Simplify right side
    243,320,131.20x = 29,046,293,013,621,604
  5. Step 5: Solve for x
    x = 29,046,293,013,621,604/243,320,131.20
  6. Step 6: Final answer
    x = 119,374,804.17

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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.