Home / 220,218,819.30-303,827,596.02-124,839,101.68

Finding the Fourth Proportional to 220,218,819.30, 303,827,596.02 and 124,839,101.68

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Solution

The fourth proportional to 220,218,819.30, 303,827,596.02 and 124,839,101.68 is: 172,235,798.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,218,819.30 : 303,827,596.02 = 124,839,101.68 : x
  2. Step 2: Convert to fraction form
    220,218,819.30/303,827,596.02 = 124,839,101.68/x
  3. Step 3: Cross multiply
    220,218,819.30x = 303,827,596.02 × 124,839,101.68
  4. Step 4: Simplify right side
    220,218,819.30x = 37,929,564,151,971,168
  5. Step 5: Solve for x
    x = 37,929,564,151,971,168/220,218,819.30
  6. Step 6: Final answer
    x = 172,235,798.34

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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.