Home / 251,688,067.42-347,340,361.31-140,178,957.82

Finding the Fourth Proportional to 251,688,067.42, 347,340,361.31 and 140,178,957.82

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Solution

The fourth proportional to 251,688,067.42, 347,340,361.31 and 140,178,957.82 is: 193,452,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,688,067.42 : 347,340,361.31 = 140,178,957.82 : x
  2. Step 2: Convert to fraction form
    251,688,067.42/347,340,361.31 = 140,178,957.82/x
  3. Step 3: Cross multiply
    251,688,067.42x = 347,340,361.31 × 140,178,957.82
  4. Step 4: Simplify right side
    251,688,067.42x = 48,689,809,857,258,048
  5. Step 5: Solve for x
    x = 48,689,809,857,258,048/251,688,067.42
  6. Step 6: Final answer
    x = 193,452,992.65

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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.