Home / 45,664,475.75-68,508,144.41-13,316,382.03

Finding the Fourth Proportional to 45,664,475.75, 68,508,144.41 and 13,316,382.03

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Solution

The fourth proportional to 45,664,475.75, 68,508,144.41 and 13,316,382.03 is: 19,977,906.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,664,475.75 : 68,508,144.41 = 13,316,382.03 : x
  2. Step 2: Convert to fraction form
    45,664,475.75/68,508,144.41 = 13,316,382.03/x
  3. Step 3: Cross multiply
    45,664,475.75x = 68,508,144.41 × 13,316,382.03
  4. Step 4: Simplify right side
    45,664,475.75x = 912,280,623,063,387
  5. Step 5: Solve for x
    x = 912,280,623,063,387/45,664,475.75
  6. Step 6: Final answer
    x = 19,977,906.42

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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.