Home / 107,982,561.40-161,988,050.10-39,873,095.80

Finding the Fourth Proportional to 107,982,561.40, 161,988,050.10 and 39,873,095.80

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Solution

The fourth proportional to 107,982,561.40, 161,988,050.10 and 39,873,095.80 is: 59,814,890.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,982,561.40 : 161,988,050.10 = 39,873,095.80 : x
  2. Step 2: Convert to fraction form
    107,982,561.40/161,988,050.10 = 39,873,095.80/x
  3. Step 3: Cross multiply
    107,982,561.40x = 161,988,050.10 × 39,873,095.80
  4. Step 4: Simplify right side
    107,982,561.40x = 6,458,965,040,092,499
  5. Step 5: Solve for x
    x = 6,458,965,040,092,499/107,982,561.40
  6. Step 6: Final answer
    x = 59,814,890.07

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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.