Home / 112,164,433.20-167,873,401.80-81,371,473.20

Finding the Fourth Proportional to 112,164,433.20, 167,873,401.80 and 81,371,473.20

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Solution

The fourth proportional to 112,164,433.20, 167,873,401.80 and 81,371,473.20 is: 121,786,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,164,433.20 : 167,873,401.80 = 81,371,473.20 : x
  2. Step 2: Convert to fraction form
    112,164,433.20/167,873,401.80 = 81,371,473.20/x
  3. Step 3: Cross multiply
    112,164,433.20x = 167,873,401.80 × 81,371,473.20
  4. Step 4: Simplify right side
    112,164,433.20x = 13,660,106,015,561,534
  5. Step 5: Solve for x
    x = 13,660,106,015,561,534/112,164,433.20
  6. Step 6: Final answer
    x = 121,786,431.10

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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.