Home / 49,373,941.68-74,061,157.92-20,243,691.84

Finding the Fourth Proportional to 49,373,941.68, 74,061,157.92 and 20,243,691.84

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Solution

The fourth proportional to 49,373,941.68, 74,061,157.92 and 20,243,691.84 is: 30,365,638.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,373,941.68 : 74,061,157.92 = 20,243,691.84 : x
  2. Step 2: Convert to fraction form
    49,373,941.68/74,061,157.92 = 20,243,691.84/x
  3. Step 3: Cross multiply
    49,373,941.68x = 74,061,157.92 × 20,243,691.84
  4. Step 4: Simplify right side
    49,373,941.68x = 1,499,271,258,246,055.50
  5. Step 5: Solve for x
    x = 1,499,271,258,246,055.50/49,373,941.68
  6. Step 6: Final answer
    x = 30,365,638.38

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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.