Home / 220,198,937.84-303,875,631.60-121,086,077.12

Finding the Fourth Proportional to 220,198,937.84, 303,875,631.60 and 121,086,077.12

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Solution

The fourth proportional to 220,198,937.84, 303,875,631.60 and 121,086,077.12 is: 167,099,389.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,198,937.84 : 303,875,631.60 = 121,086,077.12 : x
  2. Step 2: Convert to fraction form
    220,198,937.84/303,875,631.60 = 121,086,077.12/x
  3. Step 3: Cross multiply
    220,198,937.84x = 303,875,631.60 × 121,086,077.12
  4. Step 4: Simplify right side
    220,198,937.84x = 36,795,108,162,806,312
  5. Step 5: Solve for x
    x = 36,795,108,162,806,312/220,198,937.84
  6. Step 6: Final answer
    x = 167,099,389.87

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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.