Home / 328,137,064.80-492,168,272.40-85,824,463.20

Finding the Fourth Proportional to 328,137,064.80, 492,168,272.40 and 85,824,463.20

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Solution

The fourth proportional to 328,137,064.80, 492,168,272.40 and 85,824,463.20 is: 128,726,932.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,137,064.80 : 492,168,272.40 = 85,824,463.20 : x
  2. Step 2: Convert to fraction form
    328,137,064.80/492,168,272.40 = 85,824,463.20/x
  3. Step 3: Cross multiply
    328,137,064.80x = 492,168,272.40 × 85,824,463.20
  4. Step 4: Simplify right side
    328,137,064.80x = 42,240,077,782,801,376
  5. Step 5: Solve for x
    x = 42,240,077,782,801,376/328,137,064.80
  6. Step 6: Final answer
    x = 128,726,932.47

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