Home / 288,074,534.96-432,096,558.24-80,827,377.68

Finding the Fourth Proportional to 288,074,534.96, 432,096,558.24 and 80,827,377.68

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Solution

The fourth proportional to 288,074,534.96, 432,096,558.24 and 80,827,377.68 is: 121,236,789.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,074,534.96 : 432,096,558.24 = 80,827,377.68 : x
  2. Step 2: Convert to fraction form
    288,074,534.96/432,096,558.24 = 80,827,377.68/x
  3. Step 3: Cross multiply
    288,074,534.96x = 432,096,558.24 × 80,827,377.68
  4. Step 4: Simplify right side
    288,074,534.96x = 34,925,231,707,092,600
  5. Step 5: Solve for x
    x = 34,925,231,707,092,600/288,074,534.96
  6. Step 6: Final answer
    x = 121,236,789.33

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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.