Home / 136,144,815.12-204,218,999.82-45,268,404.12

Finding the Fourth Proportional to 136,144,815.12, 204,218,999.82 and 45,268,404.12

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Solution

The fourth proportional to 136,144,815.12, 204,218,999.82 and 45,268,404.12 is: 67,903,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,144,815.12 : 204,218,999.82 = 45,268,404.12 : x
  2. Step 2: Convert to fraction form
    136,144,815.12/204,218,999.82 = 45,268,404.12/x
  3. Step 3: Cross multiply
    136,144,815.12x = 204,218,999.82 × 45,268,404.12
  4. Step 4: Simplify right side
    136,144,815.12x = 9,244,668,212,833,966
  5. Step 5: Solve for x
    x = 9,244,668,212,833,966/136,144,815.12
  6. Step 6: Final answer
    x = 67,903,197.08

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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.