Home / 272,695,920.65-376,328,519.75-148,942,435.85

Finding the Fourth Proportional to 272,695,920.65, 376,328,519.75 and 148,942,435.85

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Solution

The fourth proportional to 272,695,920.65, 376,328,519.75 and 148,942,435.85 is: 205,545,012.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,695,920.65 : 376,328,519.75 = 148,942,435.85 : x
  2. Step 2: Convert to fraction form
    272,695,920.65/376,328,519.75 = 148,942,435.85/x
  3. Step 3: Cross multiply
    272,695,920.65x = 376,328,519.75 × 148,942,435.85
  4. Step 4: Simplify right side
    272,695,920.65x = 56,051,286,410,645,120
  5. Step 5: Solve for x
    x = 56,051,286,410,645,120/272,695,920.65
  6. Step 6: Final answer
    x = 205,545,012.47

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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.