Home / 261,142,927.62-360,377,237.85-143,665,736.73

Finding the Fourth Proportional to 261,142,927.62, 360,377,237.85 and 143,665,736.73

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Solution

The fourth proportional to 261,142,927.62, 360,377,237.85 and 143,665,736.73 is: 198,258,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,142,927.62 : 360,377,237.85 = 143,665,736.73 : x
  2. Step 2: Convert to fraction form
    261,142,927.62/360,377,237.85 = 143,665,736.73/x
  3. Step 3: Cross multiply
    261,142,927.62x = 360,377,237.85 × 143,665,736.73
  4. Step 4: Simplify right side
    261,142,927.62x = 51,773,861,376,442,688
  5. Step 5: Solve for x
    x = 51,773,861,376,442,688/261,142,927.62
  6. Step 6: Final answer
    x = 198,258,715.44

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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.