Home / 57,358,479.12-86,046,267.42-20,467,493.52

Finding the Fourth Proportional to 57,358,479.12, 86,046,267.42 and 20,467,493.52

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Solution

The fourth proportional to 57,358,479.12, 86,046,267.42 and 20,467,493.52 is: 30,704,290.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,358,479.12 : 86,046,267.42 = 20,467,493.52 : x
  2. Step 2: Convert to fraction form
    57,358,479.12/86,046,267.42 = 20,467,493.52/x
  3. Step 3: Cross multiply
    57,358,479.12x = 86,046,267.42 × 20,467,493.52
  4. Step 4: Simplify right side
    57,358,479.12x = 1,761,151,420,839,037
  5. Step 5: Solve for x
    x = 1,761,151,420,839,037/57,358,479.12
  6. Step 6: Final answer
    x = 30,704,290.77

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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.