Home / 188,943,055,649.31-283,616,269,427.46-81,430,384,728.97

Finding the Fourth Proportional to 188,943,055,649.31, 283,616,269,427.46 and 81,430,384,728.97

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Solution

The fourth proportional to 188,943,055,649.31, 283,616,269,427.46 and 81,430,384,728.97 is: 122,232,499,392.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,943,055,649.31 : 283,616,269,427.46 = 81,430,384,728.97 : x
  2. Step 2: Convert to fraction form
    188,943,055,649.31/283,616,269,427.46 = 81,430,384,728.97/x
  3. Step 3: Cross multiply
    188,943,055,649.31x = 283,616,269,427.46 × 81,430,384,728.97
  4. Step 4: Simplify right side
    188,943,055,649.31x = 23,094,981,934,872,428,281,856
  5. Step 5: Solve for x
    x = 23,094,981,934,872,428,281,856/188,943,055,649.31
  6. Step 6: Final answer
    x = 122,232,499,392.51

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1.5x scale

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.