Home / 221,656,142.12-332,538,392.64-156,204,962.24

Finding the Fourth Proportional to 221,656,142.12, 332,538,392.64 and 156,204,962.24

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Solution

The fourth proportional to 221,656,142.12, 332,538,392.64 and 156,204,962.24 is: 234,345,624.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,656,142.12 : 332,538,392.64 = 156,204,962.24 : x
  2. Step 2: Convert to fraction form
    221,656,142.12/332,538,392.64 = 156,204,962.24/x
  3. Step 3: Cross multiply
    221,656,142.12x = 332,538,392.64 × 156,204,962.24
  4. Step 4: Simplify right side
    221,656,142.12x = 51,944,147,065,681,496
  5. Step 5: Solve for x
    x = 51,944,147,065,681,496/221,656,142.12
  6. Step 6: Final answer
    x = 234,345,624.57

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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.