Home / 194,838,408.48-268,691,472.72-116,509,205.28

Finding the Fourth Proportional to 194,838,408.48, 268,691,472.72 and 116,509,205.28

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Solution

The fourth proportional to 194,838,408.48, 268,691,472.72 and 116,509,205.28 is: 160,671,759.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,838,408.48 : 268,691,472.72 = 116,509,205.28 : x
  2. Step 2: Convert to fraction form
    194,838,408.48/268,691,472.72 = 116,509,205.28/x
  3. Step 3: Cross multiply
    194,838,408.48x = 268,691,472.72 × 116,509,205.28
  4. Step 4: Simplify right side
    194,838,408.48x = 31,305,029,952,120,004
  5. Step 5: Solve for x
    x = 31,305,029,952,120,004/194,838,408.48
  6. Step 6: Final answer
    x = 160,671,759.72

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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.