Home / 283,481,002.61-391,195,217.59-156,321,612.80

Finding the Fourth Proportional to 283,481,002.61, 391,195,217.59 and 156,321,612.80

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Solution

The fourth proportional to 283,481,002.61, 391,195,217.59 and 156,321,612.80 is: 215,719,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,481,002.61 : 391,195,217.59 = 156,321,612.80 : x
  2. Step 2: Convert to fraction form
    283,481,002.61/391,195,217.59 = 156,321,612.80/x
  3. Step 3: Cross multiply
    283,481,002.61x = 391,195,217.59 × 156,321,612.80
  4. Step 4: Simplify right side
    283,481,002.61x = 61,152,267,334,634,440
  5. Step 5: Solve for x
    x = 61,152,267,334,634,440/283,481,002.61
  6. Step 6: Final answer
    x = 215,719,102.06

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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.