Home / 107,811,431.80-161,738,142.90-31,136,961.40

Finding the Fourth Proportional to 107,811,431.80, 161,738,142.90 and 31,136,961.40

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Solution

The fourth proportional to 107,811,431.80, 161,738,142.90 and 31,136,961.40 is: 46,711,505.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,811,431.80 : 161,738,142.90 = 31,136,961.40 : x
  2. Step 2: Convert to fraction form
    107,811,431.80/161,738,142.90 = 31,136,961.40/x
  3. Step 3: Cross multiply
    107,811,431.80x = 161,738,142.90 × 31,136,961.40
  4. Step 4: Simplify right side
    107,811,431.80x = 5,036,034,312,384,984
  5. Step 5: Solve for x
    x = 5,036,034,312,384,984/107,811,431.80
  6. Step 6: Final answer
    x = 46,711,505.71

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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.