Home / 121,111,394.40-181,667,091.60-108,010,389.60

Finding the Fourth Proportional to 121,111,394.40, 181,667,091.60 and 108,010,389.60

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Solution

The fourth proportional to 121,111,394.40, 181,667,091.60 and 108,010,389.60 is: 162,015,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,111,394.40 : 181,667,091.60 = 108,010,389.60 : x
  2. Step 2: Convert to fraction form
    121,111,394.40/181,667,091.60 = 108,010,389.60/x
  3. Step 3: Cross multiply
    121,111,394.40x = 181,667,091.60 × 108,010,389.60
  4. Step 4: Simplify right side
    121,111,394.40x = 19,621,933,341,214,884
  5. Step 5: Solve for x
    x = 19,621,933,341,214,884/121,111,394.40
  6. Step 6: Final answer
    x = 162,015,584.40

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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.