Home / 295,487,999.20-443,231,998.80-142,055,077.60

Finding the Fourth Proportional to 295,487,999.20, 443,231,998.80 and 142,055,077.60

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Solution

The fourth proportional to 295,487,999.20, 443,231,998.80 and 142,055,077.60 is: 213,082,616.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,487,999.20 : 443,231,998.80 = 142,055,077.60 : x
  2. Step 2: Convert to fraction form
    295,487,999.20/443,231,998.80 = 142,055,077.60/x
  3. Step 3: Cross multiply
    295,487,999.20x = 443,231,998.80 × 142,055,077.60
  4. Step 4: Simplify right side
    295,487,999.20x = 62,963,355,984,337,104
  5. Step 5: Solve for x
    x = 62,963,355,984,337,104/295,487,999.20
  6. Step 6: Final answer
    x = 213,082,616.40

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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.