Home / 80,827,801.20-121,241,701.80-39,906,844.20

Finding the Fourth Proportional to 80,827,801.20, 121,241,701.80 and 39,906,844.20

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Solution

The fourth proportional to 80,827,801.20, 121,241,701.80 and 39,906,844.20 is: 59,860,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,827,801.20 : 121,241,701.80 = 39,906,844.20 : x
  2. Step 2: Convert to fraction form
    80,827,801.20/121,241,701.80 = 39,906,844.20/x
  3. Step 3: Cross multiply
    80,827,801.20x = 121,241,701.80 × 39,906,844.20
  4. Step 4: Simplify right side
    80,827,801.20x = 4,838,373,704,275,460
  5. Step 5: Solve for x
    x = 4,838,373,704,275,460/80,827,801.20
  6. Step 6: Final answer
    x = 59,860,266.30

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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.