Home / 268,613,442.72-402,086,096.64-145,485,944.04

Finding the Fourth Proportional to 268,613,442.72, 402,086,096.64 and 145,485,944.04

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Solution

The fourth proportional to 268,613,442.72, 402,086,096.64 and 145,485,944.04 is: 217,777,169.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,613,442.72 : 402,086,096.64 = 145,485,944.04 : x
  2. Step 2: Convert to fraction form
    268,613,442.72/402,086,096.64 = 145,485,944.04/x
  3. Step 3: Cross multiply
    268,613,442.72x = 402,086,096.64 × 145,485,944.04
  4. Step 4: Simplify right side
    268,613,442.72x = 58,497,875,355,029,064
  5. Step 5: Solve for x
    x = 58,497,875,355,029,064/268,613,442.72
  6. Step 6: Final answer
    x = 217,777,169.91

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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.