Home / 80,773,968.60-121,161,644.10-26,921,280.60

Finding the Fourth Proportional to 80,773,968.60, 121,161,644.10 and 26,921,280.60

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Solution

The fourth proportional to 80,773,968.60, 121,161,644.10 and 26,921,280.60 is: 40,382,151.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,773,968.60 : 121,161,644.10 = 26,921,280.60 : x
  2. Step 2: Convert to fraction form
    80,773,968.60/121,161,644.10 = 26,921,280.60/x
  3. Step 3: Cross multiply
    80,773,968.60x = 121,161,644.10 × 26,921,280.60
  4. Step 4: Simplify right side
    80,773,968.60x = 3,261,826,618,773,434.50
  5. Step 5: Solve for x
    x = 3,261,826,618,773,434.50/80,773,968.60
  6. Step 6: Final answer
    x = 40,382,151.27

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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.