Home / 81,459,092.20-122,094,159.90-32,905,067.80

Finding the Fourth Proportional to 81,459,092.20, 122,094,159.90 and 32,905,067.80

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Solution

The fourth proportional to 81,459,092.20, 122,094,159.90 and 32,905,067.80 is: 49,319,437.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,459,092.20 : 122,094,159.90 = 32,905,067.80 : x
  2. Step 2: Convert to fraction form
    81,459,092.20/122,094,159.90 = 32,905,067.80/x
  3. Step 3: Cross multiply
    81,459,092.20x = 122,094,159.90 × 32,905,067.80
  4. Step 4: Simplify right side
    81,459,092.20x = 4,017,516,609,493,541.50
  5. Step 5: Solve for x
    x = 4,017,516,609,493,541.50/81,459,092.20
  6. Step 6: Final answer
    x = 49,319,437.54

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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.