Home / 49,421,933.43-74,133,337.55-20,291,793.27

Finding the Fourth Proportional to 49,421,933.43, 74,133,337.55 and 20,291,793.27

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Solution

The fourth proportional to 49,421,933.43, 74,133,337.55 and 20,291,793.27 is: 30,437,869.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,421,933.43 : 74,133,337.55 = 20,291,793.27 : x
  2. Step 2: Convert to fraction form
    49,421,933.43/74,133,337.55 = 20,291,793.27/x
  3. Step 3: Cross multiply
    49,421,933.43x = 74,133,337.55 × 20,291,793.27
  4. Step 4: Simplify right side
    49,421,933.43x = 1,504,298,359,878,269.25
  5. Step 5: Solve for x
    x = 1,504,298,359,878,269.25/49,421,933.43
  6. Step 6: Final answer
    x = 30,437,869.49

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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.