Home / 49,373,931.62-74,061,142.86-20,243,681.84

Finding the Fourth Proportional to 49,373,931.62, 74,061,142.86 and 20,243,681.84

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Solution

The fourth proportional to 49,373,931.62, 74,061,142.86 and 20,243,681.84 is: 30,365,623.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,373,931.62 : 74,061,142.86 = 20,243,681.84 : x
  2. Step 2: Convert to fraction form
    49,373,931.62/74,061,142.86 = 20,243,681.84/x
  3. Step 3: Cross multiply
    49,373,931.62x = 74,061,142.86 × 20,243,681.84
  4. Step 4: Simplify right side
    49,373,931.62x = 1,499,270,212,764,627.75
  5. Step 5: Solve for x
    x = 1,499,270,212,764,627.75/49,373,931.62
  6. Step 6: Final answer
    x = 30,365,623.39

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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.