Home / 84,251,167.20-126,376,750.80-41,148,021.60

Finding the Fourth Proportional to 84,251,167.20, 126,376,750.80 and 41,148,021.60

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Solution

The fourth proportional to 84,251,167.20, 126,376,750.80 and 41,148,021.60 is: 61,722,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,251,167.20 : 126,376,750.80 = 41,148,021.60 : x
  2. Step 2: Convert to fraction form
    84,251,167.20/126,376,750.80 = 41,148,021.60/x
  3. Step 3: Cross multiply
    84,251,167.20x = 126,376,750.80 × 41,148,021.60
  4. Step 4: Simplify right side
    84,251,167.20x = 5,200,153,271,656,217
  5. Step 5: Solve for x
    x = 5,200,153,271,656,217/84,251,167.20
  6. Step 6: Final answer
    x = 61,722,032.40

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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.