Home / 442,873,061.20-664,306,092.60-115,347,941.20

Finding the Fourth Proportional to 442,873,061.20, 664,306,092.60 and 115,347,941.20

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Solution

The fourth proportional to 442,873,061.20, 664,306,092.60 and 115,347,941.20 is: 173,021,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,873,061.20 : 664,306,092.60 = 115,347,941.20 : x
  2. Step 2: Convert to fraction form
    442,873,061.20/664,306,092.60 = 115,347,941.20/x
  3. Step 3: Cross multiply
    442,873,061.20x = 664,306,092.60 × 115,347,941.20
  4. Step 4: Simplify right side
    442,873,061.20x = 76,626,340,108,026,560
  5. Step 5: Solve for x
    x = 76,626,340,108,026,560/442,873,061.20
  6. Step 6: Final answer
    x = 173,021,000.42

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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.