Home / 99,260,861.40-148,891,292.10-76,302,610.20

Finding the Fourth Proportional to 99,260,861.40, 148,891,292.10 and 76,302,610.20

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Solution

The fourth proportional to 99,260,861.40, 148,891,292.10 and 76,302,610.20 is: 114,453,915.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,260,861.40 : 148,891,292.10 = 76,302,610.20 : x
  2. Step 2: Convert to fraction form
    99,260,861.40/148,891,292.10 = 76,302,610.20/x
  3. Step 3: Cross multiply
    99,260,861.40x = 148,891,292.10 × 76,302,610.20
  4. Step 4: Simplify right side
    99,260,861.40x = 11,360,794,223,280,640
  5. Step 5: Solve for x
    x = 11,360,794,223,280,640/99,260,861.40
  6. Step 6: Final answer
    x = 114,453,915.30

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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.