Home / 219,451,645.58-329,250,643.76-145,965,133.69

Finding the Fourth Proportional to 219,451,645.58, 329,250,643.76 and 145,965,133.69

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Solution

The fourth proportional to 219,451,645.58, 329,250,643.76 and 145,965,133.69 is: 218,996,372.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,451,645.58 : 329,250,643.76 = 145,965,133.69 : x
  2. Step 2: Convert to fraction form
    219,451,645.58/329,250,643.76 = 145,965,133.69/x
  3. Step 3: Cross multiply
    219,451,645.58x = 329,250,643.76 × 145,965,133.69
  4. Step 4: Simplify right side
    219,451,645.58x = 48,059,114,233,488,752
  5. Step 5: Solve for x
    x = 48,059,114,233,488,752/219,451,645.58
  6. Step 6: Final answer
    x = 218,996,372.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.