Home / 131,145,344.20-196,718,016.30-127,366,208.20

Finding the Fourth Proportional to 131,145,344.20, 196,718,016.30 and 127,366,208.20

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Solution

The fourth proportional to 131,145,344.20, 196,718,016.30 and 127,366,208.20 is: 191,049,312.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,145,344.20 : 196,718,016.30 = 127,366,208.20 : x
  2. Step 2: Convert to fraction form
    131,145,344.20/196,718,016.30 = 127,366,208.20/x
  3. Step 3: Cross multiply
    131,145,344.20x = 196,718,016.30 × 127,366,208.20
  4. Step 4: Simplify right side
    131,145,344.20x = 25,055,227,820,756,796
  5. Step 5: Solve for x
    x = 25,055,227,820,756,796/131,145,344.20
  6. Step 6: Final answer
    x = 191,049,312.30

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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.