Home / 208,754,523.62-288,064,442.39-120,654,227.54

Finding the Fourth Proportional to 208,754,523.62, 288,064,442.39 and 120,654,227.54

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Solution

The fourth proportional to 208,754,523.62, 288,064,442.39 and 120,654,227.54 is: 166,493,123.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,754,523.62 : 288,064,442.39 = 120,654,227.54 : x
  2. Step 2: Convert to fraction form
    208,754,523.62/288,064,442.39 = 120,654,227.54/x
  3. Step 3: Cross multiply
    208,754,523.62x = 288,064,442.39 × 120,654,227.54
  4. Step 4: Simplify right side
    208,754,523.62x = 34,756,192,776,262,684
  5. Step 5: Solve for x
    x = 34,756,192,776,262,684/208,754,523.62
  6. Step 6: Final answer
    x = 166,493,123.95

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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.