Home / 107,428,992.71-161,191,110.60-56,298,850.79

Finding the Fourth Proportional to 107,428,992.71, 161,191,110.60 and 56,298,850.79

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Solution

The fourth proportional to 107,428,992.71, 161,191,110.60 and 56,298,850.79 is: 84,473,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428,992.71 : 161,191,110.60 = 56,298,850.79 : x
  2. Step 2: Convert to fraction form
    107,428,992.71/161,191,110.60 = 56,298,850.79/x
  3. Step 3: Cross multiply
    107,428,992.71x = 161,191,110.60 × 56,298,850.79
  4. Step 4: Simplify right side
    107,428,992.71x = 9,074,874,283,537,830
  5. Step 5: Solve for x
    x = 9,074,874,283,537,830/107,428,992.71
  6. Step 6: Final answer
    x = 84,473,232.55

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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.