Home / 99,650,805.70-149,476,208.55-83,494,999.30

Finding the Fourth Proportional to 99,650,805.70, 149,476,208.55 and 83,494,999.30

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Solution

The fourth proportional to 99,650,805.70, 149,476,208.55 and 83,494,999.30 is: 125,242,498.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,650,805.70 : 149,476,208.55 = 83,494,999.30 : x
  2. Step 2: Convert to fraction form
    99,650,805.70/149,476,208.55 = 83,494,999.30/x
  3. Step 3: Cross multiply
    99,650,805.70x = 149,476,208.55 × 83,494,999.30
  4. Step 4: Simplify right side
    99,650,805.70x = 12,480,515,928,248,904
  5. Step 5: Solve for x
    x = 12,480,515,928,248,904/99,650,805.70
  6. Step 6: Final answer
    x = 125,242,498.95

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Similar ratio
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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.