Home / 45,981,704.80-68,972,557.20-40,805,999.20

Finding the Fourth Proportional to 45,981,704.80, 68,972,557.20 and 40,805,999.20

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Solution

The fourth proportional to 45,981,704.80, 68,972,557.20 and 40,805,999.20 is: 61,208,998.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,981,704.80 : 68,972,557.20 = 40,805,999.20 : x
  2. Step 2: Convert to fraction form
    45,981,704.80/68,972,557.20 = 40,805,999.20/x
  3. Step 3: Cross multiply
    45,981,704.80x = 68,972,557.20 × 40,805,999.20
  4. Step 4: Simplify right side
    45,981,704.80x = 2,814,494,113,925,154.50
  5. Step 5: Solve for x
    x = 2,814,494,113,925,154.50/45,981,704.80
  6. Step 6: Final answer
    x = 61,208,998.80

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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.