Home / 199,849,620.70-300,278,315.85-127,101,252.70

Finding the Fourth Proportional to 199,849,620.70, 300,278,315.85 and 127,101,252.70

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Solution

The fourth proportional to 199,849,620.70, 300,278,315.85 and 127,101,252.70 is: 190,972,341.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,849,620.70 : 300,278,315.85 = 127,101,252.70 : x
  2. Step 2: Convert to fraction form
    199,849,620.70/300,278,315.85 = 127,101,252.70/x
  3. Step 3: Cross multiply
    199,849,620.70x = 300,278,315.85 × 127,101,252.70
  4. Step 4: Simplify right side
    199,849,620.70x = 38,165,750,103,181,272
  5. Step 5: Solve for x
    x = 38,165,750,103,181,272/199,849,620.70
  6. Step 6: Final answer
    x = 190,972,341.95

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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.