Home / 57,158,198.88-85,733,822.88-20,271,913.44

Finding the Fourth Proportional to 57,158,198.88, 85,733,822.88 and 20,271,913.44

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Solution

The fourth proportional to 57,158,198.88, 85,733,822.88 and 20,271,913.44 is: 30,406,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,158,198.88 : 85,733,822.88 = 20,271,913.44 : x
  2. Step 2: Convert to fraction form
    57,158,198.88/85,733,822.88 = 20,271,913.44/x
  3. Step 3: Cross multiply
    57,158,198.88x = 85,733,822.88 × 20,271,913.44
  4. Step 4: Simplify right side
    57,158,198.88x = 1,737,988,636,303,651.50
  5. Step 5: Solve for x
    x = 1,737,988,636,303,651.50/57,158,198.88
  6. Step 6: Final answer
    x = 30,406,637.55

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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.