Home / 102,628,889.56-141,514,377.54-65,400,196

Finding the Fourth Proportional to 102,628,889.56, 141,514,377.54 and 65,400,196

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Solution

The fourth proportional to 102,628,889.56, 141,514,377.54 and 65,400,196 is: 90,179,949.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,628,889.56 : 141,514,377.54 = 65,400,196 : x
  2. Step 2: Convert to fraction form
    102,628,889.56/141,514,377.54 = 65,400,196/x
  3. Step 3: Cross multiply
    102,628,889.56x = 141,514,377.54 × 65,400,196
  4. Step 4: Simplify right side
    102,628,889.56x = 9,255,068,027,933,998
  5. Step 5: Solve for x
    x = 9,255,068,027,933,998/102,628,889.56
  6. Step 6: Final answer
    x = 90,179,949.01

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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.