Home / 131,489,147.90-197,233,721.85-127,710,011.90

Finding the Fourth Proportional to 131,489,147.90, 197,233,721.85 and 127,710,011.90

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Solution

The fourth proportional to 131,489,147.90, 197,233,721.85 and 127,710,011.90 is: 191,565,017.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,489,147.90 : 197,233,721.85 = 127,710,011.90 : x
  2. Step 2: Convert to fraction form
    131,489,147.90/197,233,721.85 = 127,710,011.90/x
  3. Step 3: Cross multiply
    131,489,147.90x = 197,233,721.85 × 127,710,011.90
  4. Step 4: Simplify right side
    131,489,147.90x = 25,188,720,964,544,792
  5. Step 5: Solve for x
    x = 25,188,720,964,544,792/131,489,147.90
  6. Step 6: Final answer
    x = 191,565,017.85

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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.