Home / 65,583,990.70-98,375,986.05-20,148,045.10

Finding the Fourth Proportional to 65,583,990.70, 98,375,986.05 and 20,148,045.10

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Solution

The fourth proportional to 65,583,990.70, 98,375,986.05 and 20,148,045.10 is: 30,222,067.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,583,990.70 : 98,375,986.05 = 20,148,045.10 : x
  2. Step 2: Convert to fraction form
    65,583,990.70/98,375,986.05 = 20,148,045.10/x
  3. Step 3: Cross multiply
    65,583,990.70x = 98,375,986.05 × 20,148,045.10
  4. Step 4: Simplify right side
    65,583,990.70x = 1,982,083,803,692,371
  5. Step 5: Solve for x
    x = 1,982,083,803,692,371/65,583,990.70
  6. Step 6: Final answer
    x = 30,222,067.65

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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.