Home / 103,612,454.85-143,049,716.97-65,956,865.45

Finding the Fourth Proportional to 103,612,454.85, 143,049,716.97 and 65,956,865.45

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Solution

The fourth proportional to 103,612,454.85, 143,049,716.97 and 65,956,865.45 is: 91,061,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612,454.85 : 143,049,716.97 = 65,956,865.45 : x
  2. Step 2: Convert to fraction form
    103,612,454.85/143,049,716.97 = 65,956,865.45/x
  3. Step 3: Cross multiply
    103,612,454.85x = 143,049,716.97 × 65,956,865.45
  4. Step 4: Simplify right side
    103,612,454.85x = 9,435,110,934,850,872
  5. Step 5: Solve for x
    x = 9,435,110,934,850,872/103,612,454.85
  6. Step 6: Final answer
    x = 91,061,551.90

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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.