Home / 205,887,970.29-284,124,370.05-111,801,279.42

Finding the Fourth Proportional to 205,887,970.29, 284,124,370.05 and 111,801,279.42

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Solution

The fourth proportional to 205,887,970.29, 284,124,370.05 and 111,801,279.42 is: 154,285,206.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,887,970.29 : 284,124,370.05 = 111,801,279.42 : x
  2. Step 2: Convert to fraction form
    205,887,970.29/284,124,370.05 = 111,801,279.42/x
  3. Step 3: Cross multiply
    205,887,970.29x = 284,124,370.05 × 111,801,279.42
  4. Step 4: Simplify right side
    205,887,970.29x = 31,765,468,085,991,532
  5. Step 5: Solve for x
    x = 31,765,468,085,991,532/205,887,970.29
  6. Step 6: Final answer
    x = 154,285,206.86

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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.