Home / 437,508,083.40-656,178,144.30-130,810,201.80

Finding the Fourth Proportional to 437,508,083.40, 656,178,144.30 and 130,810,201.80

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Solution

The fourth proportional to 437,508,083.40, 656,178,144.30 and 130,810,201.80 is: 196,190,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,508,083.40 : 656,178,144.30 = 130,810,201.80 : x
  2. Step 2: Convert to fraction form
    437,508,083.40/656,178,144.30 = 130,810,201.80/x
  3. Step 3: Cross multiply
    437,508,083.40x = 656,178,144.30 × 130,810,201.80
  4. Step 4: Simplify right side
    437,508,083.40x = 85,834,795,472,632,512
  5. Step 5: Solve for x
    x = 85,834,795,472,632,512/437,508,083.40
  6. Step 6: Final answer
    x = 196,190,193.35

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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.