Home / 159,091,378.64-219,538,845.96-88,530,477.20

Finding the Fourth Proportional to 159,091,378.64, 219,538,845.96 and 88,530,477.20

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Solution

The fourth proportional to 159,091,378.64, 219,538,845.96 and 88,530,477.20 is: 122,168,020.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,091,378.64 : 219,538,845.96 = 88,530,477.20 : x
  2. Step 2: Convert to fraction form
    159,091,378.64/219,538,845.96 = 88,530,477.20/x
  3. Step 3: Cross multiply
    159,091,378.64x = 219,538,845.96 × 88,530,477.20
  4. Step 4: Simplify right side
    159,091,378.64x = 19,435,878,796,776,092
  5. Step 5: Solve for x
    x = 19,435,878,796,776,092/159,091,378.64
  6. Step 6: Final answer
    x = 122,168,020.44

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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.