Home / 158,005,589.58-218,048,032.50-88,392,133.02

Finding the Fourth Proportional to 158,005,589.58, 218,048,032.50 and 88,392,133.02

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Solution

The fourth proportional to 158,005,589.58, 218,048,032.50 and 88,392,133.02 is: 121,981,321.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,005,589.58 : 218,048,032.50 = 88,392,133.02 : x
  2. Step 2: Convert to fraction form
    158,005,589.58/218,048,032.50 = 88,392,133.02/x
  3. Step 3: Cross multiply
    158,005,589.58x = 218,048,032.50 × 88,392,133.02
  4. Step 4: Simplify right side
    158,005,589.58x = 19,273,730,693,489,284
  5. Step 5: Solve for x
    x = 19,273,730,693,489,284/158,005,589.58
  6. Step 6: Final answer
    x = 121,981,321.96

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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.