Home / 135,522,837.12-203,293,103.04-99,239,813.76

Finding the Fourth Proportional to 135,522,837.12, 203,293,103.04 and 99,239,813.76

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Solution

The fourth proportional to 135,522,837.12, 203,293,103.04 and 99,239,813.76 is: 148,866,199.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,522,837.12 : 203,293,103.04 = 99,239,813.76 : x
  2. Step 2: Convert to fraction form
    135,522,837.12/203,293,103.04 = 99,239,813.76/x
  3. Step 3: Cross multiply
    135,522,837.12x = 203,293,103.04 × 99,239,813.76
  4. Step 4: Simplify right side
    135,522,837.12x = 20,174,769,684,382,092
  5. Step 5: Solve for x
    x = 20,174,769,684,382,092/135,522,837.12
  6. Step 6: Final answer
    x = 148,866,199.33

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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.