Home / 135,561,280.46-187,164,656.78-104,143,374.27

Finding the Fourth Proportional to 135,561,280.46, 187,164,656.78 and 104,143,374.27

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Solution

The fourth proportional to 135,561,280.46, 187,164,656.78 and 104,143,374.27 is: 143,787,066.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,561,280.46 : 187,164,656.78 = 104,143,374.27 : x
  2. Step 2: Convert to fraction form
    135,561,280.46/187,164,656.78 = 104,143,374.27/x
  3. Step 3: Cross multiply
    135,561,280.46x = 187,164,656.78 × 104,143,374.27
  4. Step 4: Simplify right side
    135,561,280.46x = 19,491,958,900,634,916
  5. Step 5: Solve for x
    x = 19,491,958,900,634,916/135,561,280.46
  6. Step 6: Final answer
    x = 143,787,066.89

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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.