Home / 187,847,143.76-259,199,824.29-107,377,986.72

Finding the Fourth Proportional to 187,847,143.76, 259,199,824.29 and 107,377,986.72

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Solution

The fourth proportional to 187,847,143.76, 259,199,824.29 and 107,377,986.72 is: 148,164,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,847,143.76 : 259,199,824.29 = 107,377,986.72 : x
  2. Step 2: Convert to fraction form
    187,847,143.76/259,199,824.29 = 107,377,986.72/x
  3. Step 3: Cross multiply
    187,847,143.76x = 259,199,824.29 × 107,377,986.72
  4. Step 4: Simplify right side
    187,847,143.76x = 27,832,355,290,437,952
  5. Step 5: Solve for x
    x = 27,832,355,290,437,952/187,847,143.76
  6. Step 6: Final answer
    x = 148,164,910.76

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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.