Home / 80,685,401.26-111,337,268.61-45,402,591.51

Finding the Fourth Proportional to 80,685,401.26, 111,337,268.61 and 45,402,591.51

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Solution

The fourth proportional to 80,685,401.26, 111,337,268.61 and 45,402,591.51 is: 62,650,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,685,401.26 : 111,337,268.61 = 45,402,591.51 : x
  2. Step 2: Convert to fraction form
    80,685,401.26/111,337,268.61 = 45,402,591.51/x
  3. Step 3: Cross multiply
    80,685,401.26x = 111,337,268.61 × 45,402,591.51
  4. Step 4: Simplify right side
    80,685,401.26x = 5,055,000,527,125,570
  5. Step 5: Solve for x
    x = 5,055,000,527,125,570/80,685,401.26
  6. Step 6: Final answer
    x = 62,650,745.34

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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.