Home / 115,943,645.38-173,943,939.76-57,678,814.66

Finding the Fourth Proportional to 115,943,645.38, 173,943,939.76 and 57,678,814.66

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Solution

The fourth proportional to 115,943,645.38, 173,943,939.76 and 57,678,814.66 is: 86,532,385.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,943,645.38 : 173,943,939.76 = 57,678,814.66 : x
  2. Step 2: Convert to fraction form
    115,943,645.38/173,943,939.76 = 57,678,814.66/x
  3. Step 3: Cross multiply
    115,943,645.38x = 173,943,939.76 × 57,678,814.66
  4. Step 4: Simplify right side
    115,943,645.38x = 10,032,880,262,647,244
  5. Step 5: Solve for x
    x = 10,032,880,262,647,244/115,943,645.38
  6. Step 6: Final answer
    x = 86,532,385.88

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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.