Home / 125,829,806.64-188,751,436.01-39,574,939.43

Finding the Fourth Proportional to 125,829,806.64, 188,751,436.01 and 39,574,939.43

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Solution

The fourth proportional to 125,829,806.64, 188,751,436.01 and 39,574,939.43 is: 59,364,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,829,806.64 : 188,751,436.01 = 39,574,939.43 : x
  2. Step 2: Convert to fraction form
    125,829,806.64/188,751,436.01 = 39,574,939.43/x
  3. Step 3: Cross multiply
    125,829,806.64x = 188,751,436.01 × 39,574,939.43
  4. Step 4: Simplify right side
    125,829,806.64x = 7,469,826,647,695,274
  5. Step 5: Solve for x
    x = 7,469,826,647,695,274/125,829,806.64
  6. Step 6: Final answer
    x = 59,364,524.57

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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.