Home / 55,566,265.56-76,681,446.42-31,119,979.56

Finding the Fourth Proportional to 55,566,265.56, 76,681,446.42 and 31,119,979.56

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Solution

The fourth proportional to 55,566,265.56, 76,681,446.42 and 31,119,979.56 is: 42,945,571.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,566,265.56 : 76,681,446.42 = 31,119,979.56 : x
  2. Step 2: Convert to fraction form
    55,566,265.56/76,681,446.42 = 31,119,979.56/x
  3. Step 3: Cross multiply
    55,566,265.56x = 76,681,446.42 × 31,119,979.56
  4. Step 4: Simplify right side
    55,566,265.56x = 2,386,325,045,221,635
  5. Step 5: Solve for x
    x = 2,386,325,045,221,635/55,566,265.56
  6. Step 6: Final answer
    x = 42,945,571.76

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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.