Home / 220,065,781.38-303,697,614.51-120,944,730.30

Finding the Fourth Proportional to 220,065,781.38, 303,697,614.51 and 120,944,730.30

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Solution

The fourth proportional to 220,065,781.38, 303,697,614.51 and 120,944,730.30 is: 166,907,484.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,065,781.38 : 303,697,614.51 = 120,944,730.30 : x
  2. Step 2: Convert to fraction form
    220,065,781.38/303,697,614.51 = 120,944,730.30/x
  3. Step 3: Cross multiply
    220,065,781.38x = 303,697,614.51 × 120,944,730.30
  4. Step 4: Simplify right side
    220,065,781.38x = 36,730,626,079,665,312
  5. Step 5: Solve for x
    x = 36,730,626,079,665,312/220,065,781.38
  6. Step 6: Final answer
    x = 166,907,484.89

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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.