Home / 112,172,536.54-154,823,928.46-65,777,737.24

Finding the Fourth Proportional to 112,172,536.54, 154,823,928.46 and 65,777,737.24

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Solution

The fourth proportional to 112,172,536.54, 154,823,928.46 and 65,777,737.24 is: 90,788,422.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,172,536.54 : 154,823,928.46 = 65,777,737.24 : x
  2. Step 2: Convert to fraction form
    112,172,536.54/154,823,928.46 = 65,777,737.24/x
  3. Step 3: Cross multiply
    112,172,536.54x = 154,823,928.46 × 65,777,737.24
  4. Step 4: Simplify right side
    112,172,536.54x = 10,183,967,684,300,468
  5. Step 5: Solve for x
    x = 10,183,967,684,300,468/112,172,536.54
  6. Step 6: Final answer
    x = 90,788,422.89

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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.