Home / 107,811,362.80-161,738,039.40-31,136,892.40

Finding the Fourth Proportional to 107,811,362.80, 161,738,039.40 and 31,136,892.40

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Solution

The fourth proportional to 107,811,362.80, 161,738,039.40 and 31,136,892.40 is: 46,711,402.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,811,362.80 : 161,738,039.40 = 31,136,892.40 : x
  2. Step 2: Convert to fraction form
    107,811,362.80/161,738,039.40 = 31,136,892.40/x
  3. Step 3: Cross multiply
    107,811,362.80x = 161,738,039.40 × 31,136,892.40
  4. Step 4: Simplify right side
    107,811,362.80x = 5,036,019,929,784,761
  5. Step 5: Solve for x
    x = 5,036,019,929,784,761/107,811,362.80
  6. Step 6: Final answer
    x = 46,711,402.20

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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.