Home / 247,220,431.68-341,206,418.40-142,779,731.52

Finding the Fourth Proportional to 247,220,431.68, 341,206,418.40 and 142,779,731.52

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Solution

The fourth proportional to 247,220,431.68, 341,206,418.40 and 142,779,731.52 is: 197,060,414.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,220,431.68 : 341,206,418.40 = 142,779,731.52 : x
  2. Step 2: Convert to fraction form
    247,220,431.68/341,206,418.40 = 142,779,731.52/x
  3. Step 3: Cross multiply
    247,220,431.68x = 341,206,418.40 × 142,779,731.52
  4. Step 4: Simplify right side
    247,220,431.68x = 48,717,360,812,052,792
  5. Step 5: Solve for x
    x = 48,717,360,812,052,792/247,220,431.68
  6. Step 6: Final answer
    x = 197,060,414.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.