Home / 193,853,600.80-290,780,401.20-71,031,680.80

Finding the Fourth Proportional to 193,853,600.80, 290,780,401.20 and 71,031,680.80

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Solution

The fourth proportional to 193,853,600.80, 290,780,401.20 and 71,031,680.80 is: 106,547,521.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,853,600.80 : 290,780,401.20 = 71,031,680.80 : x
  2. Step 2: Convert to fraction form
    193,853,600.80/290,780,401.20 = 71,031,680.80/x
  3. Step 3: Cross multiply
    193,853,600.80x = 290,780,401.20 × 71,031,680.80
  4. Step 4: Simplify right side
    193,853,600.80x = 20,654,620,640,934,336
  5. Step 5: Solve for x
    x = 20,654,620,640,934,336/193,853,600.80
  6. Step 6: Final answer
    x = 106,547,521.20

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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.