Home / 131,559,607,761.80-196,999,548,091.91-90,797,906,863.87

Finding the Fourth Proportional to 131,559,607,761.80, 196,999,548,091.91 and 90,797,906,863.87

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Solution

The fourth proportional to 131,559,607,761.80, 196,999,548,091.91 and 90,797,906,863.87 is: 135,962,298,187.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,559,607,761.80 : 196,999,548,091.91 = 90,797,906,863.87 : x
  2. Step 2: Convert to fraction form
    131,559,607,761.80/196,999,548,091.91 = 90,797,906,863.87/x
  3. Step 3: Cross multiply
    131,559,607,761.80x = 196,999,548,091.91 × 90,797,906,863.87
  4. Step 4: Simplify right side
    131,559,607,761.80x = 17,887,146,619,874,117,156,864
  5. Step 5: Solve for x
    x = 17,887,146,619,874,117,156,864/131,559,607,761.80
  6. Step 6: Final answer
    x = 135,962,298,187.00

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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.