Home / 151,726,645.76-209,382,768.51-82,112,026.62

Finding the Fourth Proportional to 151,726,645.76, 209,382,768.51 and 82,112,026.62

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Solution

The fourth proportional to 151,726,645.76, 209,382,768.51 and 82,112,026.62 is: 113,314,595.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,726,645.76 : 209,382,768.51 = 82,112,026.62 : x
  2. Step 2: Convert to fraction form
    151,726,645.76/209,382,768.51 = 82,112,026.62/x
  3. Step 3: Cross multiply
    151,726,645.76x = 209,382,768.51 × 82,112,026.62
  4. Step 4: Simplify right side
    151,726,645.76x = 17,192,843,461,662,418
  5. Step 5: Solve for x
    x = 17,192,843,461,662,418/151,726,645.76
  6. Step 6: Final answer
    x = 113,314,595.31

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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.