Home / 108,393,856.20-162,536,984.10-39,303,901.80

Finding the Fourth Proportional to 108,393,856.20, 162,536,984.10 and 39,303,901.80

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Solution

The fourth proportional to 108,393,856.20, 162,536,984.10 and 39,303,901.80 is: 58,936,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,393,856.20 : 162,536,984.10 = 39,303,901.80 : x
  2. Step 2: Convert to fraction form
    108,393,856.20/162,536,984.10 = 39,303,901.80/x
  3. Step 3: Cross multiply
    108,393,856.20x = 162,536,984.10 × 39,303,901.80
  4. Step 4: Simplify right side
    108,393,856.20x = 6,388,337,661,934,561
  5. Step 5: Solve for x
    x = 6,388,337,661,934,561/108,393,856.20
  6. Step 6: Final answer
    x = 58,936,344.60

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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.