Home / 67,138,163.16-100,706,907.10-58,012,493.78

Finding the Fourth Proportional to 67,138,163.16, 100,706,907.10 and 58,012,493.78

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Solution

The fourth proportional to 67,138,163.16, 100,706,907.10 and 58,012,493.78 is: 87,018,448.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,138,163.16 : 100,706,907.10 = 58,012,493.78 : x
  2. Step 2: Convert to fraction form
    67,138,163.16/100,706,907.10 = 58,012,493.78/x
  3. Step 3: Cross multiply
    67,138,163.16x = 100,706,907.10 × 58,012,493.78
  4. Step 4: Simplify right side
    67,138,163.16x = 5,842,258,821,741,788
  5. Step 5: Solve for x
    x = 5,842,258,821,741,788/67,138,163.16
  6. Step 6: Final answer
    x = 87,018,448.92

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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.