Home / 112,063,942.80-154,624,723.20-68,034,124.80

Finding the Fourth Proportional to 112,063,942.80, 154,624,723.20 and 68,034,124.80

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Solution

The fourth proportional to 112,063,942.80, 154,624,723.20 and 68,034,124.80 is: 93,872,814.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,063,942.80 : 154,624,723.20 = 68,034,124.80 : x
  2. Step 2: Convert to fraction form
    112,063,942.80/154,624,723.20 = 68,034,124.80/x
  3. Step 3: Cross multiply
    112,063,942.80x = 154,624,723.20 × 68,034,124.80
  4. Step 4: Simplify right side
    112,063,942.80x = 10,519,757,715,354,254
  5. Step 5: Solve for x
    x = 10,519,757,715,354,254/112,063,942.80
  6. Step 6: Final answer
    x = 93,872,814.51

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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.