Home / 57,891,876.75-79,891,932.52-31,786,166.23

Finding the Fourth Proportional to 57,891,876.75, 79,891,932.52 and 31,786,166.23

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Solution

The fourth proportional to 57,891,876.75, 79,891,932.52 and 31,786,166.23 is: 43,865,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,891,876.75 : 79,891,932.52 = 31,786,166.23 : x
  2. Step 2: Convert to fraction form
    57,891,876.75/79,891,932.52 = 31,786,166.23/x
  3. Step 3: Cross multiply
    57,891,876.75x = 79,891,932.52 × 31,786,166.23
  4. Step 4: Simplify right side
    57,891,876.75x = 2,539,458,247,447,312.50
  5. Step 5: Solve for x
    x = 2,539,458,247,447,312.50/57,891,876.75
  6. Step 6: Final answer
    x = 43,865,536.75

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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.