Home / 209,955,613.70-314,933,420.55-73,591,789.70

Finding the Fourth Proportional to 209,955,613.70, 314,933,420.55 and 73,591,789.70

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Solution

The fourth proportional to 209,955,613.70, 314,933,420.55 and 73,591,789.70 is: 110,387,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,955,613.70 : 314,933,420.55 = 73,591,789.70 : x
  2. Step 2: Convert to fraction form
    209,955,613.70/314,933,420.55 = 73,591,789.70/x
  3. Step 3: Cross multiply
    209,955,613.70x = 314,933,420.55 × 73,591,789.70
  4. Step 4: Simplify right side
    209,955,613.70x = 23,176,514,054,617,260
  5. Step 5: Solve for x
    x = 23,176,514,054,617,260/209,955,613.70
  6. Step 6: Final answer
    x = 110,387,684.55

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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.