Home / 107,428,993.71-161,191,112.10-56,298,851.79

Finding the Fourth Proportional to 107,428,993.71, 161,191,112.10 and 56,298,851.79

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Solution

The fourth proportional to 107,428,993.71, 161,191,112.10 and 56,298,851.79 is: 84,473,234.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,428,993.71 : 161,191,112.10 = 56,298,851.79 : x
  2. Step 2: Convert to fraction form
    107,428,993.71/161,191,112.10 = 56,298,851.79/x
  3. Step 3: Cross multiply
    107,428,993.71x = 161,191,112.10 × 56,298,851.79
  4. Step 4: Simplify right side
    107,428,993.71x = 9,074,874,529,983,176
  5. Step 5: Solve for x
    x = 9,074,874,529,983,176/107,428,993.71
  6. Step 6: Final answer
    x = 84,473,234.06

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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.