Home / 139,968,204.45-209,952,306.68-139,117,898.85

Finding the Fourth Proportional to 139,968,204.45, 209,952,306.68 and 139,117,898.85

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Solution

The fourth proportional to 139,968,204.45, 209,952,306.68 and 139,117,898.85 is: 208,676,848.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,968,204.45 : 209,952,306.68 = 139,117,898.85 : x
  2. Step 2: Convert to fraction form
    139,968,204.45/209,952,306.68 = 139,117,898.85/x
  3. Step 3: Cross multiply
    139,968,204.45x = 209,952,306.68 × 139,117,898.85
  4. Step 4: Simplify right side
    139,968,204.45x = 29,208,123,763,336,832
  5. Step 5: Solve for x
    x = 29,208,123,763,336,832/139,968,204.45
  6. Step 6: Final answer
    x = 208,676,848.28

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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.