Home / 202,165,700.88-278,988,721.56-114,078,367.20

Finding the Fourth Proportional to 202,165,700.88, 278,988,721.56 and 114,078,367.20

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Solution

The fourth proportional to 202,165,700.88, 278,988,721.56 and 114,078,367.20 is: 157,428,177.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,165,700.88 : 278,988,721.56 = 114,078,367.20 : x
  2. Step 2: Convert to fraction form
    202,165,700.88/278,988,721.56 = 114,078,367.20/x
  3. Step 3: Cross multiply
    202,165,700.88x = 278,988,721.56 × 114,078,367.20
  4. Step 4: Simplify right side
    202,165,700.88x = 31,826,577,822,780,236
  5. Step 5: Solve for x
    x = 31,826,577,822,780,236/202,165,700.88
  6. Step 6: Final answer
    x = 157,428,177.40

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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.