Home / 98,680,382.06-136,180,003.84-54,628,115.90

Finding the Fourth Proportional to 98,680,382.06, 136,180,003.84 and 54,628,115.90

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Solution

The fourth proportional to 98,680,382.06, 136,180,003.84 and 54,628,115.90 is: 75,387,395.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,680,382.06 : 136,180,003.84 = 54,628,115.90 : x
  2. Step 2: Convert to fraction form
    98,680,382.06/136,180,003.84 = 54,628,115.90/x
  3. Step 3: Cross multiply
    98,680,382.06x = 136,180,003.84 × 54,628,115.90
  4. Step 4: Simplify right side
    98,680,382.06x = 7,439,257,033,033,965
  5. Step 5: Solve for x
    x = 7,439,257,033,033,965/98,680,382.06
  6. Step 6: Final answer
    x = 75,387,395.93

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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.