Home / 84,057,999.90-126,086,999.85-41,011,278.90

Finding the Fourth Proportional to 84,057,999.90, 126,086,999.85 and 41,011,278.90

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Solution

The fourth proportional to 84,057,999.90, 126,086,999.85 and 41,011,278.90 is: 61,516,918.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,057,999.90 : 126,086,999.85 = 41,011,278.90 : x
  2. Step 2: Convert to fraction form
    84,057,999.90/126,086,999.85 = 41,011,278.90/x
  3. Step 3: Cross multiply
    84,057,999.90x = 126,086,999.85 × 41,011,278.90
  4. Step 4: Simplify right side
    84,057,999.90x = 5,170,989,116,512,608
  5. Step 5: Solve for x
    x = 5,170,989,116,512,608/84,057,999.90
  6. Step 6: Final answer
    x = 61,516,918.35

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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.