Home / 60,192,419.40-90,288,629.10-43,312,278.60

Finding the Fourth Proportional to 60,192,419.40, 90,288,629.10 and 43,312,278.60

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Solution

The fourth proportional to 60,192,419.40, 90,288,629.10 and 43,312,278.60 is: 64,968,417.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,192,419.40 : 90,288,629.10 = 43,312,278.60 : x
  2. Step 2: Convert to fraction form
    60,192,419.40/90,288,629.10 = 43,312,278.60/x
  3. Step 3: Cross multiply
    60,192,419.40x = 90,288,629.10 × 43,312,278.60
  4. Step 4: Simplify right side
    60,192,419.40x = 3,910,606,257,991,267
  5. Step 5: Solve for x
    x = 3,910,606,257,991,267/60,192,419.40
  6. Step 6: Final answer
    x = 64,968,417.90

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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.