Home / 143,767,560.84-215,431,900.89-85,360,222.86

Finding the Fourth Proportional to 143,767,560.84, 215,431,900.89 and 85,360,222.86

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Solution

The fourth proportional to 143,767,560.84, 215,431,900.89 and 85,360,222.86 is: 127,910,044.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,767,560.84 : 215,431,900.89 = 85,360,222.86 : x
  2. Step 2: Convert to fraction form
    143,767,560.84/215,431,900.89 = 85,360,222.86/x
  3. Step 3: Cross multiply
    143,767,560.84x = 215,431,900.89 × 85,360,222.86
  4. Step 4: Simplify right side
    143,767,560.84x = 18,389,315,071,123,832
  5. Step 5: Solve for x
    x = 18,389,315,071,123,832/143,767,560.84
  6. Step 6: Final answer
    x = 127,910,044.27

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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.