Home / 49,538,451.81-74,278,240.61-18,835,279.05

Finding the Fourth Proportional to 49,538,451.81, 74,278,240.61 and 18,835,279.05

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Solution

The fourth proportional to 49,538,451.81, 74,278,240.61 and 18,835,279.05 is: 28,241,726.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,538,451.81 : 74,278,240.61 = 18,835,279.05 : x
  2. Step 2: Convert to fraction form
    49,538,451.81/74,278,240.61 = 18,835,279.05/x
  3. Step 3: Cross multiply
    49,538,451.81x = 74,278,240.61 × 18,835,279.05
  4. Step 4: Simplify right side
    49,538,451.81x = 1,399,051,389,138,216
  5. Step 5: Solve for x
    x = 1,399,051,389,138,216/49,538,451.81
  6. Step 6: Final answer
    x = 28,241,726.13

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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.