Home / 209,952,758.70-314,929,138.05-200,386,820.70

Finding the Fourth Proportional to 209,952,758.70, 314,929,138.05 and 200,386,820.70

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Solution

The fourth proportional to 209,952,758.70, 314,929,138.05 and 200,386,820.70 is: 300,580,231.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,952,758.70 : 314,929,138.05 = 200,386,820.70 : x
  2. Step 2: Convert to fraction form
    209,952,758.70/314,929,138.05 = 200,386,820.70/x
  3. Step 3: Cross multiply
    209,952,758.70x = 314,929,138.05 × 200,386,820.70
  4. Step 4: Simplify right side
    209,952,758.70x = 63,107,648,719,630,896
  5. Step 5: Solve for x
    x = 63,107,648,719,630,896/209,952,758.70
  6. Step 6: Final answer
    x = 300,580,231.05

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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.