Home / 107,982,582.90-161,988,082.35-39,873,117.30

Finding the Fourth Proportional to 107,982,582.90, 161,988,082.35 and 39,873,117.30

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Solution

The fourth proportional to 107,982,582.90, 161,988,082.35 and 39,873,117.30 is: 59,814,922.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,982,582.90 : 161,988,082.35 = 39,873,117.30 : x
  2. Step 2: Convert to fraction form
    107,982,582.90/161,988,082.35 = 39,873,117.30/x
  3. Step 3: Cross multiply
    107,982,582.90x = 161,988,082.35 × 39,873,117.30
  4. Step 4: Simplify right side
    107,982,582.90x = 6,458,969,808,743,609
  5. Step 5: Solve for x
    x = 6,458,969,808,743,609/107,982,582.90
  6. Step 6: Final answer
    x = 59,814,922.33

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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.