Home / 209,953,772.70-314,930,659.05-200,387,834.70

Finding the Fourth Proportional to 209,953,772.70, 314,930,659.05 and 200,387,834.70

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Solution

The fourth proportional to 209,953,772.70, 314,930,659.05 and 200,387,834.70 is: 300,581,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,953,772.70 : 314,930,659.05 = 200,387,834.70 : x
  2. Step 2: Convert to fraction form
    209,953,772.70/314,930,659.05 = 200,387,834.70/x
  3. Step 3: Cross multiply
    209,953,772.70x = 314,930,659.05 × 200,387,834.70
  4. Step 4: Simplify right side
    209,953,772.70x = 63,108,272,847,673,456
  5. Step 5: Solve for x
    x = 63,108,272,847,673,456/209,953,772.70
  6. Step 6: Final answer
    x = 300,581,752.05

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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.