Home / 99,260,250.40-148,890,375.60-76,301,999.20

Finding the Fourth Proportional to 99,260,250.40, 148,890,375.60 and 76,301,999.20

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Solution

The fourth proportional to 99,260,250.40, 148,890,375.60 and 76,301,999.20 is: 114,452,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,260,250.40 : 148,890,375.60 = 76,301,999.20 : x
  2. Step 2: Convert to fraction form
    99,260,250.40/148,890,375.60 = 76,301,999.20/x
  3. Step 3: Cross multiply
    99,260,250.40x = 148,890,375.60 × 76,301,999.20
  4. Step 4: Simplify right side
    99,260,250.40x = 11,360,633,319,918,900
  5. Step 5: Solve for x
    x = 11,360,633,319,918,900/99,260,250.40
  6. Step 6: Final answer
    x = 114,452,998.80

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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.