Home / 74,859,972.60-112,101,002.10-49,161,847.80

Finding the Fourth Proportional to 74,859,972.60, 112,101,002.10 and 49,161,847.80

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Solution

The fourth proportional to 74,859,972.60, 112,101,002.10 and 49,161,847.80 is: 73,618,680.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,859,972.60 : 112,101,002.10 = 49,161,847.80 : x
  2. Step 2: Convert to fraction form
    74,859,972.60/112,101,002.10 = 49,161,847.80/x
  3. Step 3: Cross multiply
    74,859,972.60x = 112,101,002.10 × 49,161,847.80
  4. Step 4: Simplify right side
    74,859,972.60x = 5,511,092,403,467,680
  5. Step 5: Solve for x
    x = 5,511,092,403,467,680/74,859,972.60
  6. Step 6: Final answer
    x = 73,618,680.48

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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.