Home / 90,833,887.44-125,351,278.92-49,579,874.64

Finding the Fourth Proportional to 90,833,887.44, 125,351,278.92 and 49,579,874.64

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Solution

The fourth proportional to 90,833,887.44, 125,351,278.92 and 49,579,874.64 is: 68,420,507.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,833,887.44 : 125,351,278.92 = 49,579,874.64 : x
  2. Step 2: Convert to fraction form
    90,833,887.44/125,351,278.92 = 49,579,874.64/x
  3. Step 3: Cross multiply
    90,833,887.44x = 125,351,278.92 × 49,579,874.64
  4. Step 4: Simplify right side
    90,833,887.44x = 6,214,900,694,817,275
  5. Step 5: Solve for x
    x = 6,214,900,694,817,275/90,833,887.44
  6. Step 6: Final answer
    x = 68,420,507.70

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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.