Home / 146,007,032.82-201,489,689-79,025,979.50

Finding the Fourth Proportional to 146,007,032.82, 201,489,689 and 79,025,979.50

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Solution

The fourth proportional to 146,007,032.82, 201,489,689 and 79,025,979.50 is: 109,055,842.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,007,032.82 : 201,489,689 = 79,025,979.50 : x
  2. Step 2: Convert to fraction form
    146,007,032.82/201,489,689 = 79,025,979.50/x
  3. Step 3: Cross multiply
    146,007,032.82x = 201,489,689 × 79,025,979.50
  4. Step 4: Simplify right side
    146,007,032.82x = 15,922,920,032,375,376
  5. Step 5: Solve for x
    x = 15,922,920,032,375,376/146,007,032.82
  6. Step 6: Final answer
    x = 109,055,842.89

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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.