Home / 86,219,164.20-129,378,512.70-32,371,919.40

Finding the Fourth Proportional to 86,219,164.20, 129,378,512.70 and 32,371,919.40

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Solution

The fourth proportional to 86,219,164.20, 129,378,512.70 and 32,371,919.40 is: 48,576,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,219,164.20 : 129,378,512.70 = 32,371,919.40 : x
  2. Step 2: Convert to fraction form
    86,219,164.20/129,378,512.70 = 32,371,919.40/x
  3. Step 3: Cross multiply
    86,219,164.20x = 129,378,512.70 × 32,371,919.40
  4. Step 4: Simplify right side
    86,219,164.20x = 4,188,230,785,216,276.50
  5. Step 5: Solve for x
    x = 4,188,230,785,216,276.50/86,219,164.20
  6. Step 6: Final answer
    x = 48,576,564.43

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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.