Home / 107,350,909.20-161,026,363.80-90,722,710.80

Finding the Fourth Proportional to 107,350,909.20, 161,026,363.80 and 90,722,710.80

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Solution

The fourth proportional to 107,350,909.20, 161,026,363.80 and 90,722,710.80 is: 136,084,066.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,350,909.20 : 161,026,363.80 = 90,722,710.80 : x
  2. Step 2: Convert to fraction form
    107,350,909.20/161,026,363.80 = 90,722,710.80/x
  3. Step 3: Cross multiply
    107,350,909.20x = 161,026,363.80 × 90,722,710.80
  4. Step 4: Simplify right side
    107,350,909.20x = 14,608,748,234,202,990
  5. Step 5: Solve for x
    x = 14,608,748,234,202,990/107,350,909.20
  6. Step 6: Final answer
    x = 136,084,066.20

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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.