Home / 158,005,796.08-218,048,318.67-88,392,339.52

Finding the Fourth Proportional to 158,005,796.08, 218,048,318.67 and 88,392,339.52

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Solution

The fourth proportional to 158,005,796.08, 218,048,318.67 and 88,392,339.52 is: 121,981,607.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,005,796.08 : 218,048,318.67 = 88,392,339.52 : x
  2. Step 2: Convert to fraction form
    158,005,796.08/218,048,318.67 = 88,392,339.52/x
  3. Step 3: Cross multiply
    158,005,796.08x = 218,048,318.67 × 88,392,339.52
  4. Step 4: Simplify right side
    158,005,796.08x = 19,273,801,015,643,792
  5. Step 5: Solve for x
    x = 19,273,801,015,643,792/158,005,796.08
  6. Step 6: Final answer
    x = 121,981,607.60

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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.