Home / 345,577,625.92-518,735,315.42-148,938,082.79

Finding the Fourth Proportional to 345,577,625.92, 518,735,315.42 and 148,938,082.79

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Solution

The fourth proportional to 345,577,625.92, 518,735,315.42 and 148,938,082.79 is: 223,566,103.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,577,625.92 : 518,735,315.42 = 148,938,082.79 : x
  2. Step 2: Convert to fraction form
    345,577,625.92/518,735,315.42 = 148,938,082.79/x
  3. Step 3: Cross multiply
    345,577,625.92x = 518,735,315.42 × 148,938,082.79
  4. Step 4: Simplify right side
    345,577,625.92x = 77,259,443,353,222,992
  5. Step 5: Solve for x
    x = 77,259,443,353,222,992/345,577,625.92
  6. Step 6: Final answer
    x = 223,566,103.70

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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.