Home / 70,679,862.30-106,019,793.45-49,156,501.80

Finding the Fourth Proportional to 70,679,862.30, 106,019,793.45 and 49,156,501.80

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Solution

The fourth proportional to 70,679,862.30, 106,019,793.45 and 49,156,501.80 is: 73,734,752.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,679,862.30 : 106,019,793.45 = 49,156,501.80 : x
  2. Step 2: Convert to fraction form
    70,679,862.30/106,019,793.45 = 49,156,501.80/x
  3. Step 3: Cross multiply
    70,679,862.30x = 106,019,793.45 × 49,156,501.80
  4. Step 4: Simplify right side
    70,679,862.30x = 5,211,562,167,560,553
  5. Step 5: Solve for x
    x = 5,211,562,167,560,553/70,679,862.30
  6. Step 6: Final answer
    x = 73,734,752.70

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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.