Home / 84,668,190.89-126,987,643-22,420,400.63

Finding the Fourth Proportional to 84,668,190.89, 126,987,643 and 22,420,400.63

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Solution

The fourth proportional to 84,668,190.89, 126,987,643 and 22,420,400.63 is: 33,626,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,668,190.89 : 126,987,643 = 22,420,400.63 : x
  2. Step 2: Convert to fraction form
    84,668,190.89/126,987,643 = 22,420,400.63/x
  3. Step 3: Cross multiply
    84,668,190.89x = 126,987,643 × 22,420,400.63
  4. Step 4: Simplify right side
    84,668,190.89x = 2,847,113,831,119,415
  5. Step 5: Solve for x
    x = 2,847,113,831,119,415/84,668,190.89
  6. Step 6: Final answer
    x = 33,626,723.34

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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.