Home / 133,105,064.25-199,661,663.81-45,665,354.68

Finding the Fourth Proportional to 133,105,064.25, 199,661,663.81 and 45,665,354.68

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Solution

The fourth proportional to 133,105,064.25, 199,661,663.81 and 45,665,354.68 is: 68,499,427.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,105,064.25 : 199,661,663.81 = 45,665,354.68 : x
  2. Step 2: Convert to fraction form
    133,105,064.25/199,661,663.81 = 45,665,354.68/x
  3. Step 3: Cross multiply
    133,105,064.25x = 199,661,663.81 × 45,665,354.68
  4. Step 4: Simplify right side
    133,105,064.25x = 9,117,620,693,882,570
  5. Step 5: Solve for x
    x = 9,117,620,693,882,570/133,105,064.25
  6. Step 6: Final answer
    x = 68,499,427.47

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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.