Home / 99,260,253.40-148,890,380.10-76,302,002.20

Finding the Fourth Proportional to 99,260,253.40, 148,890,380.10 and 76,302,002.20

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Solution

The fourth proportional to 99,260,253.40, 148,890,380.10 and 76,302,002.20 is: 114,453,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,260,253.40 : 148,890,380.10 = 76,302,002.20 : x
  2. Step 2: Convert to fraction form
    99,260,253.40/148,890,380.10 = 76,302,002.20/x
  3. Step 3: Cross multiply
    99,260,253.40x = 148,890,380.10 × 76,302,002.20
  4. Step 4: Simplify right side
    99,260,253.40x = 11,360,634,109,949,036
  5. Step 5: Solve for x
    x = 11,360,634,109,949,036/99,260,253.40
  6. Step 6: Final answer
    x = 114,453,003.30

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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.