Home / 215,812,925.64-323,825,679.09-100,780,749.72

Finding the Fourth Proportional to 215,812,925.64, 323,825,679.09 and 100,780,749.72

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Solution

The fourth proportional to 215,812,925.64, 323,825,679.09 and 100,780,749.72 is: 151,220,760.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,812,925.64 : 323,825,679.09 = 100,780,749.72 : x
  2. Step 2: Convert to fraction form
    215,812,925.64/323,825,679.09 = 100,780,749.72/x
  3. Step 3: Cross multiply
    215,812,925.64x = 323,825,679.09 × 100,780,749.72
  4. Step 4: Simplify right side
    215,812,925.64x = 32,635,394,717,278,324
  5. Step 5: Solve for x
    x = 32,635,394,717,278,324/215,812,925.64
  6. Step 6: Final answer
    x = 151,220,760.39

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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.