Home / 149,030,016.75-205,663,373.19-82,056,764.88

Finding the Fourth Proportional to 149,030,016.75, 205,663,373.19 and 82,056,764.88

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Solution

The fourth proportional to 149,030,016.75, 205,663,373.19 and 82,056,764.88 is: 113,239,409.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,030,016.75 : 205,663,373.19 = 82,056,764.88 : x
  2. Step 2: Convert to fraction form
    149,030,016.75/205,663,373.19 = 82,056,764.88/x
  3. Step 3: Cross multiply
    149,030,016.75x = 205,663,373.19 × 82,056,764.88
  4. Step 4: Simplify right side
    149,030,016.75x = 16,876,071,058,279,524
  5. Step 5: Solve for x
    x = 16,876,071,058,279,524/149,030,016.75
  6. Step 6: Final answer
    x = 113,239,409.26

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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.