Home / 117,471,845.80-176,207,768.70-100,087,820.20

Finding the Fourth Proportional to 117,471,845.80, 176,207,768.70 and 100,087,820.20

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Solution

The fourth proportional to 117,471,845.80, 176,207,768.70 and 100,087,820.20 is: 150,131,730.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,471,845.80 : 176,207,768.70 = 100,087,820.20 : x
  2. Step 2: Convert to fraction form
    117,471,845.80/176,207,768.70 = 100,087,820.20/x
  3. Step 3: Cross multiply
    117,471,845.80x = 176,207,768.70 × 100,087,820.20
  4. Step 4: Simplify right side
    117,471,845.80x = 17,636,251,471,488,788
  5. Step 5: Solve for x
    x = 17,636,251,471,488,788/117,471,845.80
  6. Step 6: Final answer
    x = 150,131,730.30

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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.