Home / 219,996,286.30-329,994,429.45-117,959,614.30

Finding the Fourth Proportional to 219,996,286.30, 329,994,429.45 and 117,959,614.30

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Solution

The fourth proportional to 219,996,286.30, 329,994,429.45 and 117,959,614.30 is: 176,939,421.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,996,286.30 : 329,994,429.45 = 117,959,614.30 : x
  2. Step 2: Convert to fraction form
    219,996,286.30/329,994,429.45 = 117,959,614.30/x
  3. Step 3: Cross multiply
    219,996,286.30x = 329,994,429.45 × 117,959,614.30
  4. Step 4: Simplify right side
    219,996,286.30x = 38,926,015,619,070,560
  5. Step 5: Solve for x
    x = 38,926,015,619,070,560/219,996,286.30
  6. Step 6: Final answer
    x = 176,939,421.45

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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.