Home / 111,707,959.80-167,561,939.70-54,312,331.80

Finding the Fourth Proportional to 111,707,959.80, 167,561,939.70 and 54,312,331.80

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Solution

The fourth proportional to 111,707,959.80, 167,561,939.70 and 54,312,331.80 is: 81,468,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,707,959.80 : 167,561,939.70 = 54,312,331.80 : x
  2. Step 2: Convert to fraction form
    111,707,959.80/167,561,939.70 = 54,312,331.80/x
  3. Step 3: Cross multiply
    111,707,959.80x = 167,561,939.70 × 54,312,331.80
  4. Step 4: Simplify right side
    111,707,959.80x = 9,100,679,666,037,992
  5. Step 5: Solve for x
    x = 9,100,679,666,037,992/111,707,959.80
  6. Step 6: Final answer
    x = 81,468,497.70

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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.