Home / 133,105,060.76-199,661,658.56-45,665,351.16

Finding the Fourth Proportional to 133,105,060.76, 199,661,658.56 and 45,665,351.16

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Solution

The fourth proportional to 133,105,060.76, 199,661,658.56 and 45,665,351.16 is: 68,499,422.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,105,060.76 : 199,661,658.56 = 45,665,351.16 : x
  2. Step 2: Convert to fraction form
    133,105,060.76/199,661,658.56 = 45,665,351.16/x
  3. Step 3: Cross multiply
    133,105,060.76x = 199,661,658.56 × 45,665,351.16
  4. Step 4: Simplify right side
    133,105,060.76x = 9,117,619,751,330,420
  5. Step 5: Solve for x
    x = 9,117,619,751,330,420/133,105,060.76
  6. Step 6: Final answer
    x = 68,499,422.18

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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.