Home / 159,154,113,208.20-219,651,935,725.26-90,582,199,490.52

Finding the Fourth Proportional to 159,154,113,208.20, 219,651,935,725.26 and 90,582,199,490.52

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Solution

The fourth proportional to 159,154,113,208.20, 219,651,935,725.26 and 90,582,199,490.52 is: 125,014,396,796.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,154,113,208.20 : 219,651,935,725.26 = 90,582,199,490.52 : x
  2. Step 2: Convert to fraction form
    159,154,113,208.20/219,651,935,725.26 = 90,582,199,490.52/x
  3. Step 3: Cross multiply
    159,154,113,208.20x = 219,651,935,725.26 × 90,582,199,490.52
  4. Step 4: Simplify right side
    159,154,113,208.20x = 19,896,555,460,344,380,653,568
  5. Step 5: Solve for x
    x = 19,896,555,460,344,380,653,568/159,154,113,208.20
  6. Step 6: Final answer
    x = 125,014,396,796.12

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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.