Home / 47,320,086.40-71,008,123.20-34,508,348.80

Finding the Fourth Proportional to 47,320,086.40, 71,008,123.20 and 34,508,348.80

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Solution

The fourth proportional to 47,320,086.40, 71,008,123.20 and 34,508,348.80 is: 51,782,937.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,320,086.40 : 71,008,123.20 = 34,508,348.80 : x
  2. Step 2: Convert to fraction form
    47,320,086.40/71,008,123.20 = 34,508,348.80/x
  3. Step 3: Cross multiply
    47,320,086.40x = 71,008,123.20 × 34,508,348.80
  4. Step 4: Simplify right side
    47,320,086.40x = 2,450,373,083,018,972
  5. Step 5: Solve for x
    x = 2,450,373,083,018,972/47,320,086.40
  6. Step 6: Final answer
    x = 51,782,937.64

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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.