Home / 84,944,066.54-127,217,695.16-78,084,934.70

Finding the Fourth Proportional to 84,944,066.54, 127,217,695.16 and 78,084,934.70

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Solution

The fourth proportional to 84,944,066.54, 127,217,695.16 and 78,084,934.70 is: 116,945,018.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,944,066.54 : 127,217,695.16 = 78,084,934.70 : x
  2. Step 2: Convert to fraction form
    84,944,066.54/127,217,695.16 = 78,084,934.70/x
  3. Step 3: Cross multiply
    84,944,066.54x = 127,217,695.16 × 78,084,934.70
  4. Step 4: Simplify right side
    84,944,066.54x = 9,933,785,418,812,228
  5. Step 5: Solve for x
    x = 9,933,785,418,812,228/84,944,066.54
  6. Step 6: Final answer
    x = 116,945,018.34

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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.