Home / 154,553,876.20-231,830,814.30-82,890,260.20

Finding the Fourth Proportional to 154,553,876.20, 231,830,814.30 and 82,890,260.20

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Solution

The fourth proportional to 154,553,876.20, 231,830,814.30 and 82,890,260.20 is: 124,335,390.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,553,876.20 : 231,830,814.30 = 82,890,260.20 : x
  2. Step 2: Convert to fraction form
    154,553,876.20/231,830,814.30 = 82,890,260.20/x
  3. Step 3: Cross multiply
    154,553,876.20x = 231,830,814.30 × 82,890,260.20
  4. Step 4: Simplify right side
    154,553,876.20x = 19,216,516,519,704,884
  5. Step 5: Solve for x
    x = 19,216,516,519,704,884/154,553,876.20
  6. Step 6: Final answer
    x = 124,335,390.30

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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.