Home / 120,744,114.30-181,116,171.45-90,511,026.30

Finding the Fourth Proportional to 120,744,114.30, 181,116,171.45 and 90,511,026.30

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Solution

The fourth proportional to 120,744,114.30, 181,116,171.45 and 90,511,026.30 is: 135,766,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,744,114.30 : 181,116,171.45 = 90,511,026.30 : x
  2. Step 2: Convert to fraction form
    120,744,114.30/181,116,171.45 = 90,511,026.30/x
  3. Step 3: Cross multiply
    120,744,114.30x = 181,116,171.45 × 90,511,026.30
  4. Step 4: Simplify right side
    120,744,114.30x = 16,393,010,557,466,258
  5. Step 5: Solve for x
    x = 16,393,010,557,466,258/120,744,114.30
  6. Step 6: Final answer
    x = 135,766,539.45

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Similar ratio
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1.5x scale

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.