Home / 159,125,876,162.20-219,594,601,039.08-90,537,287,617.06

Finding the Fourth Proportional to 159,125,876,162.20, 219,594,601,039.08 and 90,537,287,617.06

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Solution

The fourth proportional to 159,125,876,162.20, 219,594,601,039.08 and 90,537,287,617.06 is: 124,941,964,392.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,125,876,162.20 : 219,594,601,039.08 = 90,537,287,617.06 : x
  2. Step 2: Convert to fraction form
    159,125,876,162.20/219,594,601,039.08 = 90,537,287,617.06/x
  3. Step 3: Cross multiply
    159,125,876,162.20x = 219,594,601,039.08 × 90,537,287,617.06
  4. Step 4: Simplify right side
    159,125,876,162.20x = 19,881,499,553,428,725,039,104
  5. Step 5: Solve for x
    x = 19,881,499,553,428,725,039,104/159,125,876,162.20
  6. Step 6: Final answer
    x = 124,941,964,392.79

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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.