Home / 157,615,229.40-236,422,844.10-142,309,728.60

Finding the Fourth Proportional to 157,615,229.40, 236,422,844.10 and 142,309,728.60

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Solution

The fourth proportional to 157,615,229.40, 236,422,844.10 and 142,309,728.60 is: 213,464,592.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,615,229.40 : 236,422,844.10 = 142,309,728.60 : x
  2. Step 2: Convert to fraction form
    157,615,229.40/236,422,844.10 = 142,309,728.60/x
  3. Step 3: Cross multiply
    157,615,229.40x = 236,422,844.10 × 142,309,728.60
  4. Step 4: Simplify right side
    157,615,229.40x = 33,645,270,778,711,108
  5. Step 5: Solve for x
    x = 33,645,270,778,711,108/157,615,229.40
  6. Step 6: Final answer
    x = 213,464,592.90

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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.