Home / 268,719,918,576.51-370,833,473,451.54-145,121,045,997.11

Finding the Fourth Proportional to 268,719,918,576.51, 370,833,473,451.54 and 145,121,045,997.11

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Solution

The fourth proportional to 268,719,918,576.51, 370,833,473,451.54 and 145,121,045,997.11 is: 200,267,035,815.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,719,918,576.51 : 370,833,473,451.54 = 145,121,045,997.11 : x
  2. Step 2: Convert to fraction form
    268,719,918,576.51/370,833,473,451.54 = 145,121,045,997.11/x
  3. Step 3: Cross multiply
    268,719,918,576.51x = 370,833,473,451.54 × 145,121,045,997.11
  4. Step 4: Simplify right side
    268,719,918,576.51x = 53,815,741,558,028,993,822,720
  5. Step 5: Solve for x
    x = 53,815,741,558,028,993,822,720/268,719,918,576.51
  6. Step 6: Final answer
    x = 200,267,035,815.98

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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.