Home / 345,220,498.20-517,835,234.76-115,189,582.88

Finding the Fourth Proportional to 345,220,498.20, 517,835,234.76 and 115,189,582.88

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Solution

The fourth proportional to 345,220,498.20, 517,835,234.76 and 115,189,582.88 is: 172,785,871.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,220,498.20 : 517,835,234.76 = 115,189,582.88 : x
  2. Step 2: Convert to fraction form
    345,220,498.20/517,835,234.76 = 115,189,582.88/x
  3. Step 3: Cross multiply
    345,220,498.20x = 517,835,234.76 × 115,189,582.88
  4. Step 4: Simplify right side
    345,220,498.20x = 59,649,224,692,571,272
  5. Step 5: Solve for x
    x = 59,649,224,692,571,272/345,220,498.20
  6. Step 6: Final answer
    x = 172,785,871.65

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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.