Home / 217,314,119.90-325,859,205.45-80,929,300.70

Finding the Fourth Proportional to 217,314,119.90, 325,859,205.45 and 80,929,300.70

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Solution

The fourth proportional to 217,314,119.90, 325,859,205.45 and 80,929,300.70 is: 121,352,251.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,314,119.90 : 325,859,205.45 = 80,929,300.70 : x
  2. Step 2: Convert to fraction form
    217,314,119.90/325,859,205.45 = 80,929,300.70/x
  3. Step 3: Cross multiply
    217,314,119.90x = 325,859,205.45 × 80,929,300.70
  4. Step 4: Simplify right side
    217,314,119.90x = 26,371,557,623,726,128
  5. Step 5: Solve for x
    x = 26,371,557,623,726,128/217,314,119.90
  6. Step 6: Final answer
    x = 121,352,251.00

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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.