Home / 317,853,605.20-477,084,838.20-164,609,640.40

Finding the Fourth Proportional to 317,853,605.20, 477,084,838.20 and 164,609,640.40

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Solution

The fourth proportional to 317,853,605.20, 477,084,838.20 and 164,609,640.40 is: 247,072,118.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,853,605.20 : 477,084,838.20 = 164,609,640.40 : x
  2. Step 2: Convert to fraction form
    317,853,605.20/477,084,838.20 = 164,609,640.40/x
  3. Step 3: Cross multiply
    317,853,605.20x = 477,084,838.20 × 164,609,640.40
  4. Step 4: Simplify right side
    317,853,605.20x = 78,532,763,656,394,192
  5. Step 5: Solve for x
    x = 78,532,763,656,394,192/317,853,605.20
  6. Step 6: Final answer
    x = 247,072,118.65

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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.