Home / 79,092,147.48-109,142,348.40-43,807,861.08

Finding the Fourth Proportional to 79,092,147.48, 109,142,348.40 and 43,807,861.08

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Solution

The fourth proportional to 79,092,147.48, 109,142,348.40 and 43,807,861.08 is: 60,452,181.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,092,147.48 : 109,142,348.40 = 43,807,861.08 : x
  2. Step 2: Convert to fraction form
    79,092,147.48/109,142,348.40 = 43,807,861.08/x
  3. Step 3: Cross multiply
    79,092,147.48x = 109,142,348.40 × 43,807,861.08
  4. Step 4: Simplify right side
    79,092,147.48x = 4,781,292,836,652,160
  5. Step 5: Solve for x
    x = 4,781,292,836,652,160/79,092,147.48
  6. Step 6: Final answer
    x = 60,452,181.27

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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.