Home / 219,949,944.05-303,534,031.68-120,839,851.23

Finding the Fourth Proportional to 219,949,944.05, 303,534,031.68 and 120,839,851.23

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Solution

The fourth proportional to 219,949,944.05, 303,534,031.68 and 120,839,851.23 is: 166,760,702.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,949,944.05 : 303,534,031.68 = 120,839,851.23 : x
  2. Step 2: Convert to fraction form
    219,949,944.05/303,534,031.68 = 120,839,851.23/x
  3. Step 3: Cross multiply
    219,949,944.05x = 303,534,031.68 × 120,839,851.23
  4. Step 4: Simplify right side
    219,949,944.05x = 36,679,007,231,453,312
  5. Step 5: Solve for x
    x = 36,679,007,231,453,312/219,949,944.05
  6. Step 6: Final answer
    x = 166,760,702.72

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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.