Home / 33,222,721.60-49,834,082.40-20,401,652.80

Finding the Fourth Proportional to 33,222,721.60, 49,834,082.40 and 20,401,652.80

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Solution

The fourth proportional to 33,222,721.60, 49,834,082.40 and 20,401,652.80 is: 30,602,479.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,222,721.60 : 49,834,082.40 = 20,401,652.80 : x
  2. Step 2: Convert to fraction form
    33,222,721.60/49,834,082.40 = 20,401,652.80/x
  3. Step 3: Cross multiply
    33,222,721.60x = 49,834,082.40 × 20,401,652.80
  4. Step 4: Simplify right side
    33,222,721.60x = 1,016,697,646,731,390.75
  5. Step 5: Solve for x
    x = 1,016,697,646,731,390.75/33,222,721.60
  6. Step 6: Final answer
    x = 30,602,479.20

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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.