Home / 154,451,373.45-231,564,732.20-72,528,037.44

Finding the Fourth Proportional to 154,451,373.45, 231,564,732.20 and 72,528,037.44

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Solution

The fourth proportional to 154,451,373.45, 231,564,732.20 and 72,528,037.44 is: 108,739,308.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,451,373.45 : 231,564,732.20 = 72,528,037.44 : x
  2. Step 2: Convert to fraction form
    154,451,373.45/231,564,732.20 = 72,528,037.44/x
  3. Step 3: Cross multiply
    154,451,373.45x = 231,564,732.20 × 72,528,037.44
  4. Step 4: Simplify right side
    154,451,373.45x = 16,794,935,566,422,532
  5. Step 5: Solve for x
    x = 16,794,935,566,422,532/154,451,373.45
  6. Step 6: Final answer
    x = 108,739,308.63

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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.