Home / 80,575,661.39-120,863,340.68-25,247,731.86

Finding the Fourth Proportional to 80,575,661.39, 120,863,340.68 and 25,247,731.86

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Solution

The fourth proportional to 80,575,661.39, 120,863,340.68 and 25,247,731.86 is: 37,871,550.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,575,661.39 : 120,863,340.68 = 25,247,731.86 : x
  2. Step 2: Convert to fraction form
    80,575,661.39/120,863,340.68 = 25,247,731.86/x
  3. Step 3: Cross multiply
    80,575,661.39x = 120,863,340.68 × 25,247,731.86
  4. Step 4: Simplify right side
    80,575,661.39x = 3,051,525,217,066,231.50
  5. Step 5: Solve for x
    x = 3,051,525,217,066,231.50/80,575,661.39
  6. Step 6: Final answer
    x = 37,871,550.35

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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.