Home / 131,145,415.20-196,718,122.80-127,366,279.20

Finding the Fourth Proportional to 131,145,415.20, 196,718,122.80 and 127,366,279.20

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Solution

The fourth proportional to 131,145,415.20, 196,718,122.80 and 127,366,279.20 is: 191,049,418.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,145,415.20 : 196,718,122.80 = 127,366,279.20 : x
  2. Step 2: Convert to fraction form
    131,145,415.20/196,718,122.80 = 127,366,279.20/x
  3. Step 3: Cross multiply
    131,145,415.20x = 196,718,122.80 × 127,366,279.20
  4. Step 4: Simplify right side
    131,145,415.20x = 25,055,255,352,244,688
  5. Step 5: Solve for x
    x = 25,055,255,352,244,688/131,145,415.20
  6. Step 6: Final answer
    x = 191,049,418.80

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.