Home / 209,953,755.70-314,930,633.55-200,387,817.70

Finding the Fourth Proportional to 209,953,755.70, 314,930,633.55 and 200,387,817.70

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Solution

The fourth proportional to 209,953,755.70, 314,930,633.55 and 200,387,817.70 is: 300,581,726.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,755.70 : 314,930,633.55 = 200,387,817.70 : x
  2. Step 2: Convert to fraction form
    209,953,755.70/314,930,633.55 = 200,387,817.70/x
  3. Step 3: Cross multiply
    209,953,755.70x = 314,930,633.55 × 200,387,817.70
  4. Step 4: Simplify right side
    209,953,755.70x = 63,108,262,383,962,904
  5. Step 5: Solve for x
    x = 63,108,262,383,962,904/209,953,755.70
  6. Step 6: Final answer
    x = 300,581,726.55

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1.5x scale

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.