Home / 55,566,227.38-76,681,393.78-31,119,941.38

Finding the Fourth Proportional to 55,566,227.38, 76,681,393.78 and 31,119,941.38

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Solution

The fourth proportional to 55,566,227.38, 76,681,393.78 and 31,119,941.38 is: 42,945,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566,227.38 : 76,681,393.78 = 31,119,941.38 : x
  2. Step 2: Convert to fraction form
    55,566,227.38/76,681,393.78 = 31,119,941.38/x
  3. Step 3: Cross multiply
    55,566,227.38x = 76,681,393.78 × 31,119,941.38
  4. Step 4: Simplify right side
    55,566,227.38x = 2,386,320,479,370,296.50
  5. Step 5: Solve for x
    x = 2,386,320,479,370,296.50/55,566,227.38
  6. Step 6: Final answer
    x = 42,945,519.10

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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.