Home / 156,061,700.64-215,192,597.25-99,456,821.58

Finding the Fourth Proportional to 156,061,700.64, 215,192,597.25 and 99,456,821.58

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Solution

The fourth proportional to 156,061,700.64, 215,192,597.25 and 99,456,821.58 is: 137,140,449.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,061,700.64 : 215,192,597.25 = 99,456,821.58 : x
  2. Step 2: Convert to fraction form
    156,061,700.64/215,192,597.25 = 99,456,821.58/x
  3. Step 3: Cross multiply
    156,061,700.64x = 215,192,597.25 × 99,456,821.58
  4. Step 4: Simplify right side
    156,061,700.64x = 21,402,371,750,030,048
  5. Step 5: Solve for x
    x = 21,402,371,750,030,048/156,061,700.64
  6. Step 6: Final answer
    x = 137,140,449.34

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