Home / 115,943,638.38-173,943,929.25-57,678,807.66

Finding the Fourth Proportional to 115,943,638.38, 173,943,929.25 and 57,678,807.66

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Solution

The fourth proportional to 115,943,638.38, 173,943,929.25 and 57,678,807.66 is: 86,532,375.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,943,638.38 : 173,943,929.25 = 57,678,807.66 : x
  2. Step 2: Convert to fraction form
    115,943,638.38/173,943,929.25 = 57,678,807.66/x
  3. Step 3: Cross multiply
    115,943,638.38x = 173,943,929.25 × 57,678,807.66
  4. Step 4: Simplify right side
    115,943,638.38x = 10,032,878,438,835,398
  5. Step 5: Solve for x
    x = 10,032,878,438,835,398/115,943,638.38
  6. Step 6: Final answer
    x = 86,532,375.38

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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.