Home / 137,229,273.60-189,382,573.44-82,223,948.16

Finding the Fourth Proportional to 137,229,273.60, 189,382,573.44 and 82,223,948.16

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Solution

The fourth proportional to 137,229,273.60, 189,382,573.44 and 82,223,948.16 is: 113,472,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,229,273.60 : 189,382,573.44 = 82,223,948.16 : x
  2. Step 2: Convert to fraction form
    137,229,273.60/189,382,573.44 = 82,223,948.16/x
  3. Step 3: Cross multiply
    137,229,273.60x = 189,382,573.44 × 82,223,948.16
  4. Step 4: Simplify right side
    137,229,273.60x = 15,571,782,900,937,952
  5. Step 5: Solve for x
    x = 15,571,782,900,937,952/137,229,273.60
  6. Step 6: Final answer
    x = 113,472,748.87

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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.