Home / 121,111,404.90-181,667,107.35-108,010,400.10

Finding the Fourth Proportional to 121,111,404.90, 181,667,107.35 and 108,010,400.10

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Solution

The fourth proportional to 121,111,404.90, 181,667,107.35 and 108,010,400.10 is: 162,015,600.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,111,404.90 : 181,667,107.35 = 108,010,400.10 : x
  2. Step 2: Convert to fraction form
    121,111,404.90/181,667,107.35 = 108,010,400.10/x
  3. Step 3: Cross multiply
    121,111,404.90x = 181,667,107.35 × 108,010,400.10
  4. Step 4: Simplify right side
    121,111,404.90x = 19,621,936,949,883,148
  5. Step 5: Solve for x
    x = 19,621,936,949,883,148/121,111,404.90
  6. Step 6: Final answer
    x = 162,015,600.15

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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.