Home / 84,455,999.55-126,683,999.33-52,002,669.15

Finding the Fourth Proportional to 84,455,999.55, 126,683,999.33 and 52,002,669.15

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Solution

The fourth proportional to 84,455,999.55, 126,683,999.33 and 52,002,669.15 is: 78,004,003.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,455,999.55 : 126,683,999.33 = 52,002,669.15 : x
  2. Step 2: Convert to fraction form
    84,455,999.55/126,683,999.33 = 52,002,669.15/x
  3. Step 3: Cross multiply
    84,455,999.55x = 126,683,999.33 × 52,002,669.15
  4. Step 4: Simplify right side
    84,455,999.55x = 6,587,906,103,496,798
  5. Step 5: Solve for x
    x = 6,587,906,103,496,798/84,455,999.55
  6. Step 6: Final answer
    x = 78,004,003.73

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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.