Home / 278,376,658.67-384,117,084.43-160,879,299.39

Finding the Fourth Proportional to 278,376,658.67, 384,117,084.43 and 160,879,299.39

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Solution

The fourth proportional to 278,376,658.67, 384,117,084.43 and 160,879,299.39 is: 221,988,753.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,376,658.67 : 384,117,084.43 = 160,879,299.39 : x
  2. Step 2: Convert to fraction form
    278,376,658.67/384,117,084.43 = 160,879,299.39/x
  3. Step 3: Cross multiply
    278,376,658.67x = 384,117,084.43 × 160,879,299.39
  4. Step 4: Simplify right side
    278,376,658.67x = 61,796,487,426,425,672
  5. Step 5: Solve for x
    x = 61,796,487,426,425,672/278,376,658.67
  6. Step 6: Final answer
    x = 221,988,753.37

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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.