Home / 159,427,219.60-239,196,816.60-68,578,656.40

Finding the Fourth Proportional to 159,427,219.60, 239,196,816.60 and 68,578,656.40

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Solution

The fourth proportional to 159,427,219.60, 239,196,816.60 and 68,578,656.40 is: 102,892,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,427,219.60 : 239,196,816.60 = 68,578,656.40 : x
  2. Step 2: Convert to fraction form
    159,427,219.60/239,196,816.60 = 68,578,656.40/x
  3. Step 3: Cross multiply
    159,427,219.60x = 239,196,816.60 × 68,578,656.40
  4. Step 4: Simplify right side
    159,427,219.60x = 16,403,796,297,585,218
  5. Step 5: Solve for x
    x = 16,403,796,297,585,218/159,427,219.60
  6. Step 6: Final answer
    x = 102,892,067.86

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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.