Home / 174,029,391.86-261,040,295.74-81,862,042.94

Finding the Fourth Proportional to 174,029,391.86, 261,040,295.74 and 81,862,042.94

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Solution

The fourth proportional to 174,029,391.86, 261,040,295.74 and 81,862,042.94 is: 122,791,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,029,391.86 : 261,040,295.74 = 81,862,042.94 : x
  2. Step 2: Convert to fraction form
    174,029,391.86/261,040,295.74 = 81,862,042.94/x
  3. Step 3: Cross multiply
    174,029,391.86x = 261,040,295.74 × 81,862,042.94
  4. Step 4: Simplify right side
    174,029,391.86x = 21,369,291,899,548,372
  5. Step 5: Solve for x
    x = 21,369,291,899,548,372/174,029,391.86
  6. Step 6: Final answer
    x = 122,791,280.66

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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.