Home / 70,961,539.20-106,442,308.80-63,781,180.80

Finding the Fourth Proportional to 70,961,539.20, 106,442,308.80 and 63,781,180.80

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Solution

The fourth proportional to 70,961,539.20, 106,442,308.80 and 63,781,180.80 is: 95,671,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,961,539.20 : 106,442,308.80 = 63,781,180.80 : x
  2. Step 2: Convert to fraction form
    70,961,539.20/106,442,308.80 = 63,781,180.80/x
  3. Step 3: Cross multiply
    70,961,539.20x = 106,442,308.80 × 63,781,180.80
  4. Step 4: Simplify right side
    70,961,539.20x = 6,789,016,142,342,231
  5. Step 5: Solve for x
    x = 6,789,016,142,342,231/70,961,539.20
  6. Step 6: Final answer
    x = 95,671,771.20

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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.