Home / 121,014,611.70-181,521,917.55-111,661,250.10

Finding the Fourth Proportional to 121,014,611.70, 181,521,917.55 and 111,661,250.10

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Solution

The fourth proportional to 121,014,611.70, 181,521,917.55 and 111,661,250.10 is: 167,491,875.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,014,611.70 : 181,521,917.55 = 111,661,250.10 : x
  2. Step 2: Convert to fraction form
    121,014,611.70/181,521,917.55 = 111,661,250.10/x
  3. Step 3: Cross multiply
    121,014,611.70x = 181,521,917.55 × 111,661,250.10
  4. Step 4: Simplify right side
    121,014,611.70x = 20,268,964,234,182,128
  5. Step 5: Solve for x
    x = 20,268,964,234,182,128/121,014,611.70
  6. Step 6: Final answer
    x = 167,491,875.15

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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.