Home / 187,288,072.18-280,959,026.32-57,905,771.38

Finding the Fourth Proportional to 187,288,072.18, 280,959,026.32 and 57,905,771.38

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Solution

The fourth proportional to 187,288,072.18, 280,959,026.32 and 57,905,771.38 is: 86,866,979.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,288,072.18 : 280,959,026.32 = 57,905,771.38 : x
  2. Step 2: Convert to fraction form
    187,288,072.18/280,959,026.32 = 57,905,771.38/x
  3. Step 3: Cross multiply
    187,288,072.18x = 280,959,026.32 × 57,905,771.38
  4. Step 4: Simplify right side
    187,288,072.18x = 16,269,149,144,752,832
  5. Step 5: Solve for x
    x = 16,269,149,144,752,832/187,288,072.18
  6. Step 6: Final answer
    x = 86,866,979.59

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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.