Home / 87,482,561.06-120,729,599.61-50,312,866.55

Finding the Fourth Proportional to 87,482,561.06, 120,729,599.61 and 50,312,866.55

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Solution

The fourth proportional to 87,482,561.06, 120,729,599.61 and 50,312,866.55 is: 69,433,863.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,482,561.06 : 120,729,599.61 = 50,312,866.55 : x
  2. Step 2: Convert to fraction form
    87,482,561.06/120,729,599.61 = 50,312,866.55/x
  3. Step 3: Cross multiply
    87,482,561.06x = 120,729,599.61 × 50,312,866.55
  4. Step 4: Simplify right side
    87,482,561.06x = 6,074,252,233,209,214
  5. Step 5: Solve for x
    x = 6,074,252,233,209,214/87,482,561.06
  6. Step 6: Final answer
    x = 69,433,863.84

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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.