Home / 72,475,519.88-108,713,279.58-26,420,842.76

Finding the Fourth Proportional to 72,475,519.88, 108,713,279.58 and 26,420,842.76

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Solution

The fourth proportional to 72,475,519.88, 108,713,279.58 and 26,420,842.76 is: 39,631,264.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,475,519.88 : 108,713,279.58 = 26,420,842.76 : x
  2. Step 2: Convert to fraction form
    72,475,519.88/108,713,279.58 = 26,420,842.76/x
  3. Step 3: Cross multiply
    72,475,519.88x = 108,713,279.58 × 26,420,842.76
  4. Step 4: Simplify right side
    72,475,519.88x = 2,872,296,465,707,099
  5. Step 5: Solve for x
    x = 2,872,296,465,707,099/72,475,519.88
  6. Step 6: Final answer
    x = 39,631,264.05

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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.