Home / 123,722,263.20-185,142,495.60-107,723,920.80

Finding the Fourth Proportional to 123,722,263.20, 185,142,495.60 and 107,723,920.80

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Solution

The fourth proportional to 123,722,263.20, 185,142,495.60 and 107,723,920.80 is: 161,201,994.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,722,263.20 : 185,142,495.60 = 107,723,920.80 : x
  2. Step 2: Convert to fraction form
    123,722,263.20/185,142,495.60 = 107,723,920.80/x
  3. Step 3: Cross multiply
    123,722,263.20x = 185,142,495.60 × 107,723,920.80
  4. Step 4: Simplify right side
    123,722,263.20x = 19,944,275,532,728,748
  5. Step 5: Solve for x
    x = 19,944,275,532,728,748/123,722,263.20
  6. Step 6: Final answer
    x = 161,201,994.02

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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.