Home / 111,966,194.27-154,441,218.03-74,288,542.70

Finding the Fourth Proportional to 111,966,194.27, 154,441,218.03 and 74,288,542.70

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Solution

The fourth proportional to 111,966,194.27, 154,441,218.03 and 74,288,542.70 is: 102,470,331.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,966,194.27 : 154,441,218.03 = 74,288,542.70 : x
  2. Step 2: Convert to fraction form
    111,966,194.27/154,441,218.03 = 74,288,542.70/x
  3. Step 3: Cross multiply
    111,966,194.27x = 154,441,218.03 × 74,288,542.70
  4. Step 4: Simplify right side
    111,966,194.27x = 11,473,213,020,261,666
  5. Step 5: Solve for x
    x = 11,473,213,020,261,666/111,966,194.27
  6. Step 6: Final answer
    x = 102,470,331.29

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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.