Home / 80,432,860.60-120,680,783.70-29,320,046.20

Finding the Fourth Proportional to 80,432,860.60, 120,680,783.70 and 29,320,046.20

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Solution

The fourth proportional to 80,432,860.60, 120,680,783.70 and 29,320,046.20 is: 43,991,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,432,860.60 : 120,680,783.70 = 29,320,046.20 : x
  2. Step 2: Convert to fraction form
    80,432,860.60/120,680,783.70 = 29,320,046.20/x
  3. Step 3: Cross multiply
    80,432,860.60x = 120,680,783.70 × 29,320,046.20
  4. Step 4: Simplify right side
    80,432,860.60x = 3,538,366,153,536,207
  5. Step 5: Solve for x
    x = 3,538,366,153,536,207/80,432,860.60
  6. Step 6: Final answer
    x = 43,991,549.31

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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.