Home / 187,919,385.54-259,334,649.35-108,532,972.26

Finding the Fourth Proportional to 187,919,385.54, 259,334,649.35 and 108,532,972.26

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Solution

The fourth proportional to 187,919,385.54, 259,334,649.35 and 108,532,972.26 is: 149,778,907.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,919,385.54 : 259,334,649.35 = 108,532,972.26 : x
  2. Step 2: Convert to fraction form
    187,919,385.54/259,334,649.35 = 108,532,972.26/x
  3. Step 3: Cross multiply
    187,919,385.54x = 259,334,649.35 × 108,532,972.26
  4. Step 4: Simplify right side
    187,919,385.54x = 28,146,360,303,960,376
  5. Step 5: Solve for x
    x = 28,146,360,303,960,376/187,919,385.54
  6. Step 6: Final answer
    x = 149,778,907.71

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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.