Home / 191,338,731.82-263,906,477.35-144,297,787.72

Finding the Fourth Proportional to 191,338,731.82, 263,906,477.35 and 144,297,787.72

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Solution

The fourth proportional to 191,338,731.82, 263,906,477.35 and 144,297,787.72 is: 199,024,632.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,338,731.82 : 263,906,477.35 = 144,297,787.72 : x
  2. Step 2: Convert to fraction form
    191,338,731.82/263,906,477.35 = 144,297,787.72/x
  3. Step 3: Cross multiply
    191,338,731.82x = 263,906,477.35 × 144,297,787.72
  4. Step 4: Simplify right side
    191,338,731.82x = 38,081,120,846,583,288
  5. Step 5: Solve for x
    x = 38,081,120,846,583,288/191,338,731.82
  6. Step 6: Final answer
    x = 199,024,632.83

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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.