Home / 80,902,076.10-121,353,114.15-53,692,296.90

Finding the Fourth Proportional to 80,902,076.10, 121,353,114.15 and 53,692,296.90

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Solution

The fourth proportional to 80,902,076.10, 121,353,114.15 and 53,692,296.90 is: 80,538,445.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,902,076.10 : 121,353,114.15 = 53,692,296.90 : x
  2. Step 2: Convert to fraction form
    80,902,076.10/121,353,114.15 = 53,692,296.90/x
  3. Step 3: Cross multiply
    80,902,076.10x = 121,353,114.15 × 53,692,296.90
  4. Step 4: Simplify right side
    80,902,076.10x = 6,515,727,434,681,391
  5. Step 5: Solve for x
    x = 6,515,727,434,681,391/80,902,076.10
  6. Step 6: Final answer
    x = 80,538,445.35

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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.