Home / 245,073,612.80-367,610,419.20-243,373,001.60

Finding the Fourth Proportional to 245,073,612.80, 367,610,419.20 and 243,373,001.60

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Solution

The fourth proportional to 245,073,612.80, 367,610,419.20 and 243,373,001.60 is: 365,059,502.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,073,612.80 : 367,610,419.20 = 243,373,001.60 : x
  2. Step 2: Convert to fraction form
    245,073,612.80/367,610,419.20 = 243,373,001.60/x
  3. Step 3: Cross multiply
    245,073,612.80x = 367,610,419.20 × 243,373,001.60
  4. Step 4: Simplify right side
    245,073,612.80x = 89,466,451,140,138,272
  5. Step 5: Solve for x
    x = 89,466,451,140,138,272/245,073,612.80
  6. Step 6: Final answer
    x = 365,059,502.40

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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.