Home / 205,808,205.80-308,665,212.83-122,833,387.53

Finding the Fourth Proportional to 205,808,205.80, 308,665,212.83 and 122,833,387.53

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Solution

The fourth proportional to 205,808,205.80, 308,665,212.83 and 122,833,387.53 is: 184,221,972.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,808,205.80 : 308,665,212.83 = 122,833,387.53 : x
  2. Step 2: Convert to fraction form
    205,808,205.80/308,665,212.83 = 122,833,387.53/x
  3. Step 3: Cross multiply
    205,808,205.80x = 308,665,212.83 × 122,833,387.53
  4. Step 4: Simplify right side
    205,808,205.80x = 37,914,393,703,963,152
  5. Step 5: Solve for x
    x = 37,914,393,703,963,152/205,808,205.80
  6. Step 6: Final answer
    x = 184,221,972.87

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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.