Home / 57,887,515.89-79,881,191.96-31,781,886.57

Finding the Fourth Proportional to 57,887,515.89, 79,881,191.96 and 31,781,886.57

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Solution

The fourth proportional to 57,887,515.89, 79,881,191.96 and 31,781,886.57 is: 43,857,037.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,887,515.89 : 79,881,191.96 = 31,781,886.57 : x
  2. Step 2: Convert to fraction form
    57,887,515.89/79,881,191.96 = 31,781,886.57/x
  3. Step 3: Cross multiply
    57,887,515.89x = 79,881,191.96 × 31,781,886.57
  4. Step 4: Simplify right side
    57,887,515.89x = 2,538,774,981,790,206.50
  5. Step 5: Solve for x
    x = 2,538,774,981,790,206.50/57,887,515.89
  6. Step 6: Final answer
    x = 43,857,037.96

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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.