Home / 319,534,342.20-479,301,513.30-137,781,520.20

Finding the Fourth Proportional to 319,534,342.20, 479,301,513.30 and 137,781,520.20

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Solution

The fourth proportional to 319,534,342.20, 479,301,513.30 and 137,781,520.20 is: 206,672,280.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,534,342.20 : 479,301,513.30 = 137,781,520.20 : x
  2. Step 2: Convert to fraction form
    319,534,342.20/479,301,513.30 = 137,781,520.20/x
  3. Step 3: Cross multiply
    319,534,342.20x = 479,301,513.30 × 137,781,520.20
  4. Step 4: Simplify right side
    319,534,342.20x = 66,038,891,136,634,512
  5. Step 5: Solve for x
    x = 66,038,891,136,634,512/319,534,342.20
  6. Step 6: Final answer
    x = 206,672,280.30

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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.