Home / 80,924,129.80-121,386,194.70-26,341,858.60

Finding the Fourth Proportional to 80,924,129.80, 121,386,194.70 and 26,341,858.60

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Solution

The fourth proportional to 80,924,129.80, 121,386,194.70 and 26,341,858.60 is: 39,512,787.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,924,129.80 : 121,386,194.70 = 26,341,858.60 : x
  2. Step 2: Convert to fraction form
    80,924,129.80/121,386,194.70 = 26,341,858.60/x
  3. Step 3: Cross multiply
    80,924,129.80x = 121,386,194.70 × 26,341,858.60
  4. Step 4: Simplify right side
    80,924,129.80x = 3,197,537,976,779,469.50
  5. Step 5: Solve for x
    x = 3,197,537,976,779,469.50/80,924,129.80
  6. Step 6: Final answer
    x = 39,512,787.90

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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.