Home / 99,242,181-148,838,521.79-29,198,471.95

Finding the Fourth Proportional to 99,242,181, 148,838,521.79 and 29,198,471.95

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Solution

The fourth proportional to 99,242,181, 148,838,521.79 and 29,198,471.95 is: 43,790,426.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,242,181 : 148,838,521.79 = 29,198,471.95 : x
  2. Step 2: Convert to fraction form
    99,242,181/148,838,521.79 = 29,198,471.95/x
  3. Step 3: Cross multiply
    99,242,181x = 148,838,521.79 × 29,198,471.95
  4. Step 4: Simplify right side
    99,242,181x = 4,345,857,403,823,823
  5. Step 5: Solve for x
    x = 4,345,857,403,823,823/99,242,181
  6. Step 6: Final answer
    x = 43,790,426.21

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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.