Home / 72,031,723.64-107,981,378.82-25,962,317.82

Finding the Fourth Proportional to 72,031,723.64, 107,981,378.82 and 25,962,317.82

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Solution

The fourth proportional to 72,031,723.64, 107,981,378.82 and 25,962,317.82 is: 38,919,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,031,723.64 : 107,981,378.82 = 25,962,317.82 : x
  2. Step 2: Convert to fraction form
    72,031,723.64/107,981,378.82 = 25,962,317.82/x
  3. Step 3: Cross multiply
    72,031,723.64x = 107,981,378.82 × 25,962,317.82
  4. Step 4: Simplify right side
    72,031,723.64x = 2,803,446,875,190,059
  5. Step 5: Solve for x
    x = 2,803,446,875,190,059/72,031,723.64
  6. Step 6: Final answer
    x = 38,919,613.94

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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.