Home / 295,489,345.20-443,234,017.80-142,434,337.20

Finding the Fourth Proportional to 295,489,345.20, 443,234,017.80 and 142,434,337.20

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Solution

The fourth proportional to 295,489,345.20, 443,234,017.80 and 142,434,337.20 is: 213,651,505.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,489,345.20 : 443,234,017.80 = 142,434,337.20 : x
  2. Step 2: Convert to fraction form
    295,489,345.20/443,234,017.80 = 142,434,337.20/x
  3. Step 3: Cross multiply
    295,489,345.20x = 443,234,017.80 × 142,434,337.20
  4. Step 4: Simplify right side
    295,489,345.20x = 63,131,743,549,836,000
  5. Step 5: Solve for x
    x = 63,131,743,549,836,000/295,489,345.20
  6. Step 6: Final answer
    x = 213,651,505.80

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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.