Home / 272,236,891,243.66-375,719,853,358.86-154,943,053,490.37

Finding the Fourth Proportional to 272,236,891,243.66, 375,719,853,358.86 and 154,943,053,490.37

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Solution

The fourth proportional to 272,236,891,243.66, 375,719,853,358.86 and 154,943,053,490.37 is: 213,840,163,507.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,236,891,243.66 : 375,719,853,358.86 = 154,943,053,490.37 : x
  2. Step 2: Convert to fraction form
    272,236,891,243.66/375,719,853,358.86 = 154,943,053,490.37/x
  3. Step 3: Cross multiply
    272,236,891,243.66x = 375,719,853,358.86 × 154,943,053,490.37
  4. Step 4: Simplify right side
    272,236,891,243.66x = 58,215,181,336,375,814,258,688
  5. Step 5: Solve for x
    x = 58,215,181,336,375,814,258,688/272,236,891,243.66
  6. Step 6: Final answer
    x = 213,840,163,507.71

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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.