Home / 140,963,790.96-211,653,250.97-78,836,826.06

Finding the Fourth Proportional to 140,963,790.96, 211,653,250.97 and 78,836,826.06

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Solution

The fourth proportional to 140,963,790.96, 211,653,250.97 and 78,836,826.06 is: 118,371,323.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,963,790.96 : 211,653,250.97 = 78,836,826.06 : x
  2. Step 2: Convert to fraction form
    140,963,790.96/211,653,250.97 = 78,836,826.06/x
  3. Step 3: Cross multiply
    140,963,790.96x = 211,653,250.97 × 78,836,826.06
  4. Step 4: Simplify right side
    140,963,790.96x = 16,686,070,531,361,232
  5. Step 5: Solve for x
    x = 16,686,070,531,361,232/140,963,790.96
  6. Step 6: Final answer
    x = 118,371,323.71

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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.