Home / 75,075,862.20-112,613,793.30-31,946,472.60

Finding the Fourth Proportional to 75,075,862.20, 112,613,793.30 and 31,946,472.60

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Solution

The fourth proportional to 75,075,862.20, 112,613,793.30 and 31,946,472.60 is: 47,919,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,075,862.20 : 112,613,793.30 = 31,946,472.60 : x
  2. Step 2: Convert to fraction form
    75,075,862.20/112,613,793.30 = 31,946,472.60/x
  3. Step 3: Cross multiply
    75,075,862.20x = 112,613,793.30 × 31,946,472.60
  4. Step 4: Simplify right side
    75,075,862.20x = 3,597,613,462,040,513.50
  5. Step 5: Solve for x
    x = 3,597,613,462,040,513.50/75,075,862.20
  6. Step 6: Final answer
    x = 47,919,708.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.