Home / 140,959,505.70-211,376,272.95-54,669,233.70

Finding the Fourth Proportional to 140,959,505.70, 211,376,272.95 and 54,669,233.70

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Solution

The fourth proportional to 140,959,505.70, 211,376,272.95 and 54,669,233.70 is: 81,979,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,959,505.70 : 211,376,272.95 = 54,669,233.70 : x
  2. Step 2: Convert to fraction form
    140,959,505.70/211,376,272.95 = 54,669,233.70/x
  3. Step 3: Cross multiply
    140,959,505.70x = 211,376,272.95 × 54,669,233.70
  4. Step 4: Simplify right side
    140,959,505.70x = 11,555,778,864,538,538
  5. Step 5: Solve for x
    x = 11,555,778,864,538,538/140,959,505.70
  6. Step 6: Final answer
    x = 81,979,422.44

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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.