Home / 65,787,410.72-90,787,701.68-36,017,562.08

Finding the Fourth Proportional to 65,787,410.72, 90,787,701.68 and 36,017,562.08

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Solution

The fourth proportional to 65,787,410.72, 90,787,701.68 and 36,017,562.08 is: 49,704,824.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,787,410.72 : 90,787,701.68 = 36,017,562.08 : x
  2. Step 2: Convert to fraction form
    65,787,410.72/90,787,701.68 = 36,017,562.08/x
  3. Step 3: Cross multiply
    65,787,410.72x = 90,787,701.68 × 36,017,562.08
  4. Step 4: Simplify right side
    65,787,410.72x = 3,269,951,681,359,920.50
  5. Step 5: Solve for x
    x = 3,269,951,681,359,920.50/65,787,410.72
  6. Step 6: Final answer
    x = 49,704,824.15

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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.