Home / 208,086,944.40-287,159,883.39-124,455,073.56

Finding the Fourth Proportional to 208,086,944.40, 287,159,883.39 and 124,455,073.56

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Solution

The fourth proportional to 208,086,944.40, 287,159,883.39 and 124,455,073.56 is: 171,747,941.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,086,944.40 : 287,159,883.39 = 124,455,073.56 : x
  2. Step 2: Convert to fraction form
    208,086,944.40/287,159,883.39 = 124,455,073.56/x
  3. Step 3: Cross multiply
    208,086,944.40x = 287,159,883.39 × 124,455,073.56
  4. Step 4: Simplify right side
    208,086,944.40x = 35,738,504,410,783,472
  5. Step 5: Solve for x
    x = 35,738,504,410,783,472/208,086,944.40
  6. Step 6: Final answer
    x = 171,747,941.77

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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.