Home / 71,825,465.82-99,119,445.53-40,463,891.09

Finding the Fourth Proportional to 71,825,465.82, 99,119,445.53 and 40,463,891.09

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Solution

The fourth proportional to 71,825,465.82, 99,119,445.53 and 40,463,891.09 is: 55,840,340.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,825,465.82 : 99,119,445.53 = 40,463,891.09 : x
  2. Step 2: Convert to fraction form
    71,825,465.82/99,119,445.53 = 40,463,891.09/x
  3. Step 3: Cross multiply
    71,825,465.82x = 99,119,445.53 × 40,463,891.09
  4. Step 4: Simplify right side
    71,825,465.82x = 4,010,758,448,129,191
  5. Step 5: Solve for x
    x = 4,010,758,448,129,191/71,825,465.82
  6. Step 6: Final answer
    x = 55,840,340.22

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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.