Home / 220,218,731.68-303,827,465.16-124,839,008

Finding the Fourth Proportional to 220,218,731.68, 303,827,465.16 and 124,839,008

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Solution

The fourth proportional to 220,218,731.68, 303,827,465.16 and 124,839,008 is: 172,235,663.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,218,731.68 : 303,827,465.16 = 124,839,008 : x
  2. Step 2: Convert to fraction form
    220,218,731.68/303,827,465.16 = 124,839,008/x
  3. Step 3: Cross multiply
    220,218,731.68x = 303,827,465.16 × 124,839,008
  4. Step 4: Simplify right side
    220,218,731.68x = 37,929,519,353,728,968
  5. Step 5: Solve for x
    x = 37,929,519,353,728,968/220,218,731.68
  6. Step 6: Final answer
    x = 172,235,663.44

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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.