Home / 108,984,793.01-150,242,740.85-85,739,549.09

Finding the Fourth Proportional to 108,984,793.01, 150,242,740.85 and 85,739,549.09

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Solution

The fourth proportional to 108,984,793.01, 150,242,740.85 and 85,739,549.09 is: 118,197,635.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,984,793.01 : 150,242,740.85 = 85,739,549.09 : x
  2. Step 2: Convert to fraction form
    108,984,793.01/150,242,740.85 = 85,739,549.09/x
  3. Step 3: Cross multiply
    108,984,793.01x = 150,242,740.85 × 85,739,549.09
  4. Step 4: Simplify right side
    108,984,793.01x = 12,881,744,853,987,856
  5. Step 5: Solve for x
    x = 12,881,744,853,987,856/108,984,793.01
  6. Step 6: Final answer
    x = 118,197,635.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.