Home / 98,772,002.20-148,158,003.30-85,167,112.60

Finding the Fourth Proportional to 98,772,002.20, 148,158,003.30 and 85,167,112.60

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Solution

The fourth proportional to 98,772,002.20, 148,158,003.30 and 85,167,112.60 is: 127,750,668.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,772,002.20 : 148,158,003.30 = 85,167,112.60 : x
  2. Step 2: Convert to fraction form
    98,772,002.20/148,158,003.30 = 85,167,112.60/x
  3. Step 3: Cross multiply
    98,772,002.20x = 148,158,003.30 × 85,167,112.60
  4. Step 4: Simplify right side
    98,772,002.20x = 12,618,189,349,642,272
  5. Step 5: Solve for x
    x = 12,618,189,349,642,272/98,772,002.20
  6. Step 6: Final answer
    x = 127,750,668.90

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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.