Home / 154,837,626.24-213,674,280.66-85,221,512.43

Finding the Fourth Proportional to 154,837,626.24, 213,674,280.66 and 85,221,512.43

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Solution

The fourth proportional to 154,837,626.24, 213,674,280.66 and 85,221,512.43 is: 117,604,782.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,837,626.24 : 213,674,280.66 = 85,221,512.43 : x
  2. Step 2: Convert to fraction form
    154,837,626.24/213,674,280.66 = 85,221,512.43/x
  3. Step 3: Cross multiply
    154,837,626.24x = 213,674,280.66 × 85,221,512.43
  4. Step 4: Simplify right side
    154,837,626.24x = 18,209,645,365,237,500
  5. Step 5: Solve for x
    x = 18,209,645,365,237,500/154,837,626.24
  6. Step 6: Final answer
    x = 117,604,782.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.