Home / 111,966,192.27-154,441,215.27-74,288,540.70

Finding the Fourth Proportional to 111,966,192.27, 154,441,215.27 and 74,288,540.70

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Solution

The fourth proportional to 111,966,192.27, 154,441,215.27 and 74,288,540.70 is: 102,470,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966,192.27 : 154,441,215.27 = 74,288,540.70 : x
  2. Step 2: Convert to fraction form
    111,966,192.27/154,441,215.27 = 74,288,540.70/x
  3. Step 3: Cross multiply
    111,966,192.27x = 154,441,215.27 × 74,288,540.70
  4. Step 4: Simplify right side
    111,966,192.27x = 11,473,212,506,342,858
  5. Step 5: Solve for x
    x = 11,473,212,506,342,858/111,966,192.27
  6. Step 6: Final answer
    x = 102,470,328.53

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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.