Home / 116,966,939.04-161,414,415.22-64,046,993.78

Finding the Fourth Proportional to 116,966,939.04, 161,414,415.22 and 64,046,993.78

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Solution

The fourth proportional to 116,966,939.04, 161,414,415.22 and 64,046,993.78 is: 88,384,872.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,966,939.04 : 161,414,415.22 = 64,046,993.78 : x
  2. Step 2: Convert to fraction form
    116,966,939.04/161,414,415.22 = 64,046,993.78/x
  3. Step 3: Cross multiply
    116,966,939.04x = 161,414,415.22 × 64,046,993.78
  4. Step 4: Simplify right side
    116,966,939.04x = 10,338,108,047,597,678
  5. Step 5: Solve for x
    x = 10,338,108,047,597,678/116,966,939.04
  6. Step 6: Final answer
    x = 88,384,872.96

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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.