Home / 135,274,435,009.30-186,679,156,519.62-75,127,404,092.05

Finding the Fourth Proportional to 135,274,435,009.30, 186,679,156,519.62 and 75,127,404,092.05

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Solution

The fourth proportional to 135,274,435,009.30, 186,679,156,519.62 and 75,127,404,092.05 is: 103,676,059,903.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,274,435,009.30 : 186,679,156,519.62 = 75,127,404,092.05 : x
  2. Step 2: Convert to fraction form
    135,274,435,009.30/186,679,156,519.62 = 75,127,404,092.05/x
  3. Step 3: Cross multiply
    135,274,435,009.30x = 186,679,156,519.62 × 75,127,404,092.05
  4. Step 4: Simplify right side
    135,274,435,009.30x = 14,024,720,427,412,541,669,376
  5. Step 5: Solve for x
    x = 14,024,720,427,412,541,669,376/135,274,435,009.30
  6. Step 6: Final answer
    x = 103,676,059,903.32

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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.