Home / 129,431,808.25-194,174,979.26-41,986,497.29

Finding the Fourth Proportional to 129,431,808.25, 194,174,979.26 and 41,986,497.29

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Solution

The fourth proportional to 129,431,808.25, 194,174,979.26 and 41,986,497.29 is: 62,988,591.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,431,808.25 : 194,174,979.26 = 41,986,497.29 : x
  2. Step 2: Convert to fraction form
    129,431,808.25/194,174,979.26 = 41,986,497.29/x
  3. Step 3: Cross multiply
    129,431,808.25x = 194,174,979.26 × 41,986,497.29
  4. Step 4: Simplify right side
    129,431,808.25x = 8,152,727,240,485,796
  5. Step 5: Solve for x
    x = 8,152,727,240,485,796/129,431,808.25
  6. Step 6: Final answer
    x = 62,988,591.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.