Home / 108,634,998.70-162,952,498.05-47,253,563.20

Finding the Fourth Proportional to 108,634,998.70, 162,952,498.05 and 47,253,563.20

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Solution

The fourth proportional to 108,634,998.70, 162,952,498.05 and 47,253,563.20 is: 70,880,344.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,634,998.70 : 162,952,498.05 = 47,253,563.20 : x
  2. Step 2: Convert to fraction form
    108,634,998.70/162,952,498.05 = 47,253,563.20/x
  3. Step 3: Cross multiply
    108,634,998.70x = 162,952,498.05 × 47,253,563.20
  4. Step 4: Simplify right side
    108,634,998.70x = 7,700,086,165,203,553
  5. Step 5: Solve for x
    x = 7,700,086,165,203,553/108,634,998.70
  6. Step 6: Final answer
    x = 70,880,344.80

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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.