Home / 91,330,804.82-137,016,357.70-26,639,672.88

Finding the Fourth Proportional to 91,330,804.82, 137,016,357.70 and 26,639,672.88

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Solution

The fourth proportional to 91,330,804.82, 137,016,357.70 and 26,639,672.88 is: 39,965,386.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,330,804.82 : 137,016,357.70 = 26,639,672.88 : x
  2. Step 2: Convert to fraction form
    91,330,804.82/137,016,357.70 = 26,639,672.88/x
  3. Step 3: Cross multiply
    91,330,804.82x = 137,016,357.70 × 26,639,672.88
  4. Step 4: Simplify right side
    91,330,804.82x = 3,650,070,948,337,068.50
  5. Step 5: Solve for x
    x = 3,650,070,948,337,068.50/91,330,804.82
  6. Step 6: Final answer
    x = 39,965,386.88

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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.