Home / 48,312,043.60-66,672,455.16-27,689,469.52

Finding the Fourth Proportional to 48,312,043.60, 66,672,455.16 and 27,689,469.52

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Solution

The fourth proportional to 48,312,043.60, 66,672,455.16 and 27,689,469.52 is: 38,212,519.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,312,043.60 : 66,672,455.16 = 27,689,469.52 : x
  2. Step 2: Convert to fraction form
    48,312,043.60/66,672,455.16 = 27,689,469.52/x
  3. Step 3: Cross multiply
    48,312,043.60x = 66,672,455.16 × 27,689,469.52
  4. Step 4: Simplify right side
    48,312,043.60x = 1,846,124,914,976,386.50
  5. Step 5: Solve for x
    x = 1,846,124,914,976,386.50/48,312,043.60
  6. Step 6: Final answer
    x = 38,212,519.64

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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.