Home / 80,772,970.60-121,160,147.10-26,920,282.60

Finding the Fourth Proportional to 80,772,970.60, 121,160,147.10 and 26,920,282.60

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Solution

The fourth proportional to 80,772,970.60, 121,160,147.10 and 26,920,282.60 is: 40,380,654.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,772,970.60 : 121,160,147.10 = 26,920,282.60 : x
  2. Step 2: Convert to fraction form
    80,772,970.60/121,160,147.10 = 26,920,282.60/x
  3. Step 3: Cross multiply
    80,772,970.60x = 121,160,147.10 × 26,920,282.60
  4. Step 4: Simplify right side
    80,772,970.60x = 3,261,665,399,789,570.50
  5. Step 5: Solve for x
    x = 3,261,665,399,789,570.50/80,772,970.60
  6. Step 6: Final answer
    x = 40,380,654.27

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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.