Home / 112,286,912.13-154,947,290.45-63,399,165.57

Finding the Fourth Proportional to 112,286,912.13, 154,947,290.45 and 63,399,165.57

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Solution

The fourth proportional to 112,286,912.13, 154,947,290.45 and 63,399,165.57 is: 87,485,965.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,286,912.13 : 154,947,290.45 = 63,399,165.57 : x
  2. Step 2: Convert to fraction form
    112,286,912.13/154,947,290.45 = 63,399,165.57/x
  3. Step 3: Cross multiply
    112,286,912.13x = 154,947,290.45 × 63,399,165.57
  4. Step 4: Simplify right side
    112,286,912.13x = 9,823,528,921,545,434
  5. Step 5: Solve for x
    x = 9,823,528,921,545,434/112,286,912.13
  6. Step 6: Final answer
    x = 87,485,965.51

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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.