Home / 168,837,659.11-232,810,948.60-109,991,197.18

Finding the Fourth Proportional to 168,837,659.11, 232,810,948.60 and 109,991,197.18

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Solution

The fourth proportional to 168,837,659.11, 232,810,948.60 and 109,991,197.18 is: 151,667,318.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,837,659.11 : 232,810,948.60 = 109,991,197.18 : x
  2. Step 2: Convert to fraction form
    168,837,659.11/232,810,948.60 = 109,991,197.18/x
  3. Step 3: Cross multiply
    168,837,659.11x = 232,810,948.60 × 109,991,197.18
  4. Step 4: Simplify right side
    168,837,659.11x = 25,607,154,953,141,480
  5. Step 5: Solve for x
    x = 25,607,154,953,141,480/168,837,659.11
  6. Step 6: Final answer
    x = 151,667,318.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.