Home / 131,559,607,771.30-196,999,548,106.11-90,797,906,873.36

Finding the Fourth Proportional to 131,559,607,771.30, 196,999,548,106.11 and 90,797,906,873.36

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Solution

The fourth proportional to 131,559,607,771.30, 196,999,548,106.11 and 90,797,906,873.36 is: 135,962,298,201.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,559,607,771.30 : 196,999,548,106.11 = 90,797,906,873.36 : x
  2. Step 2: Convert to fraction form
    131,559,607,771.30/196,999,548,106.11 = 90,797,906,873.36/x
  3. Step 3: Cross multiply
    131,559,607,771.30x = 196,999,548,106.11 × 90,797,906,873.36
  4. Step 4: Simplify right side
    131,559,607,771.30x = 17,887,146,623,032,971,231,232
  5. Step 5: Solve for x
    x = 17,887,146,623,032,971,231,232/131,559,607,771.30
  6. Step 6: Final answer
    x = 135,962,298,201.19

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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.