Home / 67,138,163.66-100,706,907.85-58,012,494.28

Finding the Fourth Proportional to 67,138,163.66, 100,706,907.85 and 58,012,494.28

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Solution

The fourth proportional to 67,138,163.66, 100,706,907.85 and 58,012,494.28 is: 87,018,449.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,138,163.66 : 100,706,907.85 = 58,012,494.28 : x
  2. Step 2: Convert to fraction form
    67,138,163.66/100,706,907.85 = 58,012,494.28/x
  3. Step 3: Cross multiply
    67,138,163.66x = 100,706,907.85 × 58,012,494.28
  4. Step 4: Simplify right side
    67,138,163.66x = 5,842,258,915,604,612
  5. Step 5: Solve for x
    x = 5,842,258,915,604,612/67,138,163.66
  6. Step 6: Final answer
    x = 87,018,449.67

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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.