Home / 206,282,359.94-309,389,904.41-60,681,869.93

Finding the Fourth Proportional to 206,282,359.94, 309,389,904.41 and 60,681,869.93

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Solution

The fourth proportional to 206,282,359.94, 309,389,904.41 and 60,681,869.93 is: 91,012,910.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,282,359.94 : 309,389,904.41 = 60,681,869.93 : x
  2. Step 2: Convert to fraction form
    206,282,359.94/309,389,904.41 = 60,681,869.93/x
  3. Step 3: Cross multiply
    206,282,359.94x = 309,389,904.41 × 60,681,869.93
  4. Step 4: Simplify right side
    206,282,359.94x = 18,774,357,937,062,756
  5. Step 5: Solve for x
    x = 18,774,357,937,062,756/206,282,359.94
  6. Step 6: Final answer
    x = 91,012,910.37

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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.