Home / 99,260,672.40-148,891,008.60-76,302,421.20

Finding the Fourth Proportional to 99,260,672.40, 148,891,008.60 and 76,302,421.20

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Solution

The fourth proportional to 99,260,672.40, 148,891,008.60 and 76,302,421.20 is: 114,453,631.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,260,672.40 : 148,891,008.60 = 76,302,421.20 : x
  2. Step 2: Convert to fraction form
    99,260,672.40/148,891,008.60 = 76,302,421.20/x
  3. Step 3: Cross multiply
    99,260,672.40x = 148,891,008.60 × 76,302,421.20
  4. Step 4: Simplify right side
    99,260,672.40x = 11,360,744,451,090,022
  5. Step 5: Solve for x
    x = 11,360,744,451,090,022/99,260,672.40
  6. Step 6: Final answer
    x = 114,453,631.80

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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.