Home / 151,726,644.76-209,382,767.23-82,112,025.64

Finding the Fourth Proportional to 151,726,644.76, 209,382,767.23 and 82,112,025.64

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Solution

The fourth proportional to 151,726,644.76, 209,382,767.23 and 82,112,025.64 is: 113,314,594.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,726,644.76 : 209,382,767.23 = 82,112,025.64 : x
  2. Step 2: Convert to fraction form
    151,726,644.76/209,382,767.23 = 82,112,025.64/x
  3. Step 3: Cross multiply
    151,726,644.76x = 209,382,767.23 × 82,112,025.64
  4. Step 4: Simplify right side
    151,726,644.76x = 17,192,843,151,363,912
  5. Step 5: Solve for x
    x = 17,192,843,151,363,912/151,726,644.76
  6. Step 6: Final answer
    x = 113,314,594.01

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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.