Home / 102,628,888.56-141,514,376.16-65,400,195

Finding the Fourth Proportional to 102,628,888.56, 141,514,376.16 and 65,400,195

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Solution

The fourth proportional to 102,628,888.56, 141,514,376.16 and 65,400,195 is: 90,179,947.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,628,888.56 : 141,514,376.16 = 65,400,195 : x
  2. Step 2: Convert to fraction form
    102,628,888.56/141,514,376.16 = 65,400,195/x
  3. Step 3: Cross multiply
    102,628,888.56x = 141,514,376.16 × 65,400,195
  4. Step 4: Simplify right side
    102,628,888.56x = 9,255,067,796,167,350
  5. Step 5: Solve for x
    x = 9,255,067,796,167,350/102,628,888.56
  6. Step 6: Final answer
    x = 90,179,947.63

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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.