Home / 98,762,028.80-148,238,659.20-47,679,891.20

Finding the Fourth Proportional to 98,762,028.80, 148,238,659.20 and 47,679,891.20

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Solution

The fourth proportional to 98,762,028.80, 148,238,659.20 and 47,679,891.20 is: 71,565,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,762,028.80 : 148,238,659.20 = 47,679,891.20 : x
  2. Step 2: Convert to fraction form
    98,762,028.80/148,238,659.20 = 47,679,891.20/x
  3. Step 3: Cross multiply
    98,762,028.80x = 148,238,659.20 × 47,679,891.20
  4. Step 4: Simplify right side
    98,762,028.80x = 7,068,003,142,289,879
  5. Step 5: Solve for x
    x = 7,068,003,142,289,879/98,762,028.80
  6. Step 6: Final answer
    x = 71,565,997.87

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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.