Home / 99,073,492.80-148,610,239.20-68,840,404.80

Finding the Fourth Proportional to 99,073,492.80, 148,610,239.20 and 68,840,404.80

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Solution

The fourth proportional to 99,073,492.80, 148,610,239.20 and 68,840,404.80 is: 103,260,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,073,492.80 : 148,610,239.20 = 68,840,404.80 : x
  2. Step 2: Convert to fraction form
    99,073,492.80/148,610,239.20 = 68,840,404.80/x
  3. Step 3: Cross multiply
    99,073,492.80x = 148,610,239.20 × 68,840,404.80
  4. Step 4: Simplify right side
    99,073,492.80x = 10,230,389,023,952,826
  5. Step 5: Solve for x
    x = 10,230,389,023,952,826/99,073,492.80
  6. Step 6: Final answer
    x = 103,260,607.20

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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.