Home / 159,882,961.60-239,505,577.80-91,645,937.20

Finding the Fourth Proportional to 159,882,961.60, 239,505,577.80 and 91,645,937.20

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Solution

The fourth proportional to 159,882,961.60, 239,505,577.80 and 91,645,937.20 is: 137,286,130.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,882,961.60 : 239,505,577.80 = 91,645,937.20 : x
  2. Step 2: Convert to fraction form
    159,882,961.60/239,505,577.80 = 91,645,937.20/x
  3. Step 3: Cross multiply
    159,882,961.60x = 239,505,577.80 × 91,645,937.20
  4. Step 4: Simplify right side
    159,882,961.60x = 21,949,713,142,108,516
  5. Step 5: Solve for x
    x = 21,949,713,142,108,516/159,882,961.60
  6. Step 6: Final answer
    x = 137,286,130.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.