Home / 55,982,869.20-83,968,334.10-19,591,954.65

Finding the Fourth Proportional to 55,982,869.20, 83,968,334.10 and 19,591,954.65

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Solution

The fourth proportional to 55,982,869.20, 83,968,334.10 and 19,591,954.65 is: 29,385,842.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,982,869.20 : 83,968,334.10 = 19,591,954.65 : x
  2. Step 2: Convert to fraction form
    55,982,869.20/83,968,334.10 = 19,591,954.65/x
  3. Step 3: Cross multiply
    55,982,869.20x = 83,968,334.10 × 19,591,954.65
  4. Step 4: Simplify right side
    55,982,869.20x = 1,645,103,793,723,248.25
  5. Step 5: Solve for x
    x = 1,645,103,793,723,248.25/55,982,869.20
  6. Step 6: Final answer
    x = 29,385,842.80

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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.