Home / 72,624,017.80-109,061,997.90-38,611,793.80

Finding the Fourth Proportional to 72,624,017.80, 109,061,997.90 and 38,611,793.80

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Solution

The fourth proportional to 72,624,017.80, 109,061,997.90 and 38,611,793.80 is: 57,984,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,624,017.80 : 109,061,997.90 = 38,611,793.80 : x
  2. Step 2: Convert to fraction form
    72,624,017.80/109,061,997.90 = 38,611,793.80/x
  3. Step 3: Cross multiply
    72,624,017.80x = 109,061,997.90 × 38,611,793.80
  4. Step 4: Simplify right side
    72,624,017.80x = 4,211,079,374,330,833
  5. Step 5: Solve for x
    x = 4,211,079,374,330,833/72,624,017.80
  6. Step 6: Final answer
    x = 57,984,665.43

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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.