Home / 49,231,746.64-73,850,769.28-18,939,609.68

Finding the Fourth Proportional to 49,231,746.64, 73,850,769.28 and 18,939,609.68

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Solution

The fourth proportional to 49,231,746.64, 73,850,769.28 and 18,939,609.68 is: 28,410,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,231,746.64 : 73,850,769.28 = 18,939,609.68 : x
  2. Step 2: Convert to fraction form
    49,231,746.64/73,850,769.28 = 18,939,609.68/x
  3. Step 3: Cross multiply
    49,231,746.64x = 73,850,769.28 × 18,939,609.68
  4. Step 4: Simplify right side
    49,231,746.64x = 1,398,704,744,730,934.75
  5. Step 5: Solve for x
    x = 1,398,704,744,730,934.75/49,231,746.64
  6. Step 6: Final answer
    x = 28,410,626.07

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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.