Home / 120,744,055.60-181,116,083.40-112,240,999.60

Finding the Fourth Proportional to 120,744,055.60, 181,116,083.40 and 112,240,999.60

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Solution

The fourth proportional to 120,744,055.60, 181,116,083.40 and 112,240,999.60 is: 168,361,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,744,055.60 : 181,116,083.40 = 112,240,999.60 : x
  2. Step 2: Convert to fraction form
    120,744,055.60/181,116,083.40 = 112,240,999.60/x
  3. Step 3: Cross multiply
    120,744,055.60x = 181,116,083.40 × 112,240,999.60
  4. Step 4: Simplify right side
    120,744,055.60x = 20,328,650,244,452,968
  5. Step 5: Solve for x
    x = 20,328,650,244,452,968/120,744,055.60
  6. Step 6: Final answer
    x = 168,361,499.40

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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.