Home / 78,405,559.74-108,195,228.30-43,597,502.85

Finding the Fourth Proportional to 78,405,559.74, 108,195,228.30 and 43,597,502.85

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Solution

The fourth proportional to 78,405,559.74, 108,195,228.30 and 43,597,502.85 is: 60,162,082.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,405,559.74 : 108,195,228.30 = 43,597,502.85 : x
  2. Step 2: Convert to fraction form
    78,405,559.74/108,195,228.30 = 43,597,502.85/x
  3. Step 3: Cross multiply
    78,405,559.74x = 108,195,228.30 × 43,597,502.85
  4. Step 4: Simplify right side
    78,405,559.74x = 4,717,041,774,165,651
  5. Step 5: Solve for x
    x = 4,717,041,774,165,651/78,405,559.74
  6. Step 6: Final answer
    x = 60,162,082.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.