Home / 111,836,207.68-154,329,002.40-62,279,137.60

Finding the Fourth Proportional to 111,836,207.68, 154,329,002.40 and 62,279,137.60

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Solution

The fourth proportional to 111,836,207.68, 154,329,002.40 and 62,279,137.60 is: 85,942,445.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,836,207.68 : 154,329,002.40 = 62,279,137.60 : x
  2. Step 2: Convert to fraction form
    111,836,207.68/154,329,002.40 = 62,279,137.60/x
  3. Step 3: Cross multiply
    111,836,207.68x = 154,329,002.40 × 62,279,137.60
  4. Step 4: Simplify right side
    111,836,207.68x = 9,611,477,176,140,330
  5. Step 5: Solve for x
    x = 9,611,477,176,140,330/111,836,207.68
  6. Step 6: Final answer
    x = 85,942,445.43

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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.