Home / 159,125,876,165.20-219,594,601,043.24-90,537,287,620.08

Finding the Fourth Proportional to 159,125,876,165.20, 219,594,601,043.24 and 90,537,287,620.08

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Solution

The fourth proportional to 159,125,876,165.20, 219,594,601,043.24 and 90,537,287,620.08 is: 124,941,964,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,125,876,165.20 : 219,594,601,043.24 = 90,537,287,620.08 : x
  2. Step 2: Convert to fraction form
    159,125,876,165.20/219,594,601,043.24 = 90,537,287,620.08/x
  3. Step 3: Cross multiply
    159,125,876,165.20x = 219,594,601,043.24 × 90,537,287,620.08
  4. Step 4: Simplify right side
    159,125,876,165.20x = 19,881,499,554,468,539,138,048
  5. Step 5: Solve for x
    x = 19,881,499,554,468,539,138,048/159,125,876,165.20
  6. Step 6: Final answer
    x = 124,941,964,396.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.