Home / 45,786,660.40-68,679,990.60-13,869,809.20

Finding the Fourth Proportional to 45,786,660.40, 68,679,990.60 and 13,869,809.20

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Solution

The fourth proportional to 45,786,660.40, 68,679,990.60 and 13,869,809.20 is: 20,804,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786,660.40 : 68,679,990.60 = 13,869,809.20 : x
  2. Step 2: Convert to fraction form
    45,786,660.40/68,679,990.60 = 13,869,809.20/x
  3. Step 3: Cross multiply
    45,786,660.40x = 68,679,990.60 × 13,869,809.20
  4. Step 4: Simplify right side
    45,786,660.40x = 952,578,365,479,793.38
  5. Step 5: Solve for x
    x = 952,578,365,479,793.38/45,786,660.40
  6. Step 6: Final answer
    x = 20,804,713.80

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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.