Home / 143,705,905.80-215,558,858.70-70,957,537.80

Finding the Fourth Proportional to 143,705,905.80, 215,558,858.70 and 70,957,537.80

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Solution

The fourth proportional to 143,705,905.80, 215,558,858.70 and 70,957,537.80 is: 106,436,306.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,705,905.80 : 215,558,858.70 = 70,957,537.80 : x
  2. Step 2: Convert to fraction form
    143,705,905.80/215,558,858.70 = 70,957,537.80/x
  3. Step 3: Cross multiply
    143,705,905.80x = 215,558,858.70 × 70,957,537.80
  4. Step 4: Simplify right side
    143,705,905.80x = 15,295,525,864,330,108
  5. Step 5: Solve for x
    x = 15,295,525,864,330,108/143,705,905.80
  6. Step 6: Final answer
    x = 106,436,306.70

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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.