Home / 49,421,929.68-74,133,331.92-20,291,789.52

Finding the Fourth Proportional to 49,421,929.68, 74,133,331.92 and 20,291,789.52

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Solution

The fourth proportional to 49,421,929.68, 74,133,331.92 and 20,291,789.52 is: 30,437,863.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,421,929.68 : 74,133,331.92 = 20,291,789.52 : x
  2. Step 2: Convert to fraction form
    49,421,929.68/74,133,331.92 = 20,291,789.52/x
  3. Step 3: Cross multiply
    49,421,929.68x = 74,133,331.92 × 20,291,789.52
  4. Step 4: Simplify right side
    49,421,929.68x = 1,504,297,967,736,937.50
  5. Step 5: Solve for x
    x = 1,504,297,967,736,937.50/49,421,929.68
  6. Step 6: Final answer
    x = 30,437,863.87

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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.