Home / 187,704,403.88-259,042,229.70-105,224,682.92

Finding the Fourth Proportional to 187,704,403.88, 259,042,229.70 and 105,224,682.92

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Solution

The fourth proportional to 187,704,403.88, 259,042,229.70 and 105,224,682.92 is: 145,215,753.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,704,403.88 : 259,042,229.70 = 105,224,682.92 : x
  2. Step 2: Convert to fraction form
    187,704,403.88/259,042,229.70 = 105,224,682.92/x
  3. Step 3: Cross multiply
    187,704,403.88x = 259,042,229.70 × 105,224,682.92
  4. Step 4: Simplify right side
    187,704,403.88x = 27,257,636,483,072,304
  5. Step 5: Solve for x
    x = 27,257,636,483,072,304/187,704,403.88
  6. Step 6: Final answer
    x = 145,215,753.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.