Home / 65,689,618.40-98,548,424.40-20,256,005.60

Finding the Fourth Proportional to 65,689,618.40, 98,548,424.40 and 20,256,005.60

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Solution

The fourth proportional to 65,689,618.40, 98,548,424.40 and 20,256,005.60 is: 30,388,324.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,689,618.40 : 98,548,424.40 = 20,256,005.60 : x
  2. Step 2: Convert to fraction form
    65,689,618.40/98,548,424.40 = 20,256,005.60/x
  3. Step 3: Cross multiply
    65,689,618.40x = 98,548,424.40 × 20,256,005.60
  4. Step 4: Simplify right side
    65,689,618.40x = 1,996,197,436,517,577
  5. Step 5: Solve for x
    x = 1,996,197,436,517,577/65,689,618.40
  6. Step 6: Final answer
    x = 30,388,324.44

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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.