Home / 205,808,206.05-308,665,213.20-122,833,387.77

Finding the Fourth Proportional to 205,808,206.05, 308,665,213.20 and 122,833,387.77

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Solution

The fourth proportional to 205,808,206.05, 308,665,213.20 and 122,833,387.77 is: 184,221,973.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,808,206.05 : 308,665,213.20 = 122,833,387.77 : x
  2. Step 2: Convert to fraction form
    205,808,206.05/308,665,213.20 = 122,833,387.77/x
  3. Step 3: Cross multiply
    205,808,206.05x = 308,665,213.20 × 122,833,387.77
  4. Step 4: Simplify right side
    205,808,206.05x = 37,914,393,824,105,320
  5. Step 5: Solve for x
    x = 37,914,393,824,105,320/205,808,206.05
  6. Step 6: Final answer
    x = 184,221,973.22

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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.