Home / 331,878,736.20-498,119,254.20-168,230,337.60

Finding the Fourth Proportional to 331,878,736.20, 498,119,254.20 and 168,230,337.60

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Solution

The fourth proportional to 331,878,736.20, 498,119,254.20 and 168,230,337.60 is: 252,498,160.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,878,736.20 : 498,119,254.20 = 168,230,337.60 : x
  2. Step 2: Convert to fraction form
    331,878,736.20/498,119,254.20 = 168,230,337.60/x
  3. Step 3: Cross multiply
    331,878,736.20x = 498,119,254.20 × 168,230,337.60
  4. Step 4: Simplify right side
    331,878,736.20x = 83,798,770,299,126,208
  5. Step 5: Solve for x
    x = 83,798,770,299,126,208/331,878,736.20
  6. Step 6: Final answer
    x = 252,498,160.20

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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.