Home / 84,227,454.41-126,341,012.19-79,101,948.94

Finding the Fourth Proportional to 84,227,454.41, 126,341,012.19 and 79,101,948.94

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Solution

The fourth proportional to 84,227,454.41, 126,341,012.19 and 79,101,948.94 is: 118,652,764.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,227,454.41 : 126,341,012.19 = 79,101,948.94 : x
  2. Step 2: Convert to fraction form
    84,227,454.41/126,341,012.19 = 79,101,948.94/x
  3. Step 3: Cross multiply
    84,227,454.41x = 126,341,012.19 × 79,101,948.94
  4. Step 4: Simplify right side
    84,227,454.41x = 9,993,820,295,163,200
  5. Step 5: Solve for x
    x = 9,993,820,295,163,200/84,227,454.41
  6. Step 6: Final answer
    x = 118,652,764.29

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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.