Home / 159,237,474,541.53-219,746,229,755.45-86,979,511,734.23

Finding the Fourth Proportional to 159,237,474,541.53, 219,746,229,755.45 and 86,979,511,734.23

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Solution

The fourth proportional to 159,237,474,541.53, 219,746,229,755.45 and 86,979,511,734.23 is: 120,030,914,987.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,237,474,541.53 : 219,746,229,755.45 = 86,979,511,734.23 : x
  2. Step 2: Convert to fraction form
    159,237,474,541.53/219,746,229,755.45 = 86,979,511,734.23/x
  3. Step 3: Cross multiply
    159,237,474,541.53x = 219,746,229,755.45 × 86,979,511,734.23
  4. Step 4: Simplify right side
    159,237,474,541.53x = 19,113,419,769,565,870,555,136
  5. Step 5: Solve for x
    x = 19,113,419,769,565,870,555,136/159,237,474,541.53
  6. Step 6: Final answer
    x = 120,030,914,987.80

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1.5x scale

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.