Home / 143,795,469.30-215,671,942.83-52,897,800.66

Finding the Fourth Proportional to 143,795,469.30, 215,671,942.83 and 52,897,800.66

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Solution

The fourth proportional to 143,795,469.30, 215,671,942.83 and 52,897,800.66 is: 79,338,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,795,469.30 : 215,671,942.83 = 52,897,800.66 : x
  2. Step 2: Convert to fraction form
    143,795,469.30/215,671,942.83 = 52,897,800.66/x
  3. Step 3: Cross multiply
    143,795,469.30x = 215,671,942.83 × 52,897,800.66
  4. Step 4: Simplify right side
    143,795,469.30x = 11,408,571,439,776,256
  5. Step 5: Solve for x
    x = 11,408,571,439,776,256/143,795,469.30
  6. Step 6: Final answer
    x = 79,338,879.70

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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.