Home / 108,275,506.20-162,413,259.30-84,089,035.80

Finding the Fourth Proportional to 108,275,506.20, 162,413,259.30 and 84,089,035.80

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Solution

The fourth proportional to 108,275,506.20, 162,413,259.30 and 84,089,035.80 is: 126,133,553.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,275,506.20 : 162,413,259.30 = 84,089,035.80 : x
  2. Step 2: Convert to fraction form
    108,275,506.20/162,413,259.30 = 84,089,035.80/x
  3. Step 3: Cross multiply
    108,275,506.20x = 162,413,259.30 × 84,089,035.80
  4. Step 4: Simplify right side
    108,275,506.20x = 13,657,174,375,672,384
  5. Step 5: Solve for x
    x = 13,657,174,375,672,384/108,275,506.20
  6. Step 6: Final answer
    x = 126,133,553.70

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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.