Home / 71,825,464.32-99,119,443.46-40,463,889.59

Finding the Fourth Proportional to 71,825,464.32, 99,119,443.46 and 40,463,889.59

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Solution

The fourth proportional to 71,825,464.32, 99,119,443.46 and 40,463,889.59 is: 55,840,338.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,825,464.32 : 99,119,443.46 = 40,463,889.59 : x
  2. Step 2: Convert to fraction form
    71,825,464.32/99,119,443.46 = 40,463,889.59/x
  3. Step 3: Cross multiply
    71,825,464.32x = 99,119,443.46 × 40,463,889.59
  4. Step 4: Simplify right side
    71,825,464.32x = 4,010,758,215,689,771
  5. Step 5: Solve for x
    x = 4,010,758,215,689,771/71,825,464.32
  6. Step 6: Final answer
    x = 55,840,338.15

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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.