Home / 311,040,658.14-429,249,148.52-178,881,757.85

Finding the Fourth Proportional to 311,040,658.14, 429,249,148.52 and 178,881,757.85

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Solution

The fourth proportional to 311,040,658.14, 429,249,148.52 and 178,881,757.85 is: 246,864,325.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,040,658.14 : 429,249,148.52 = 178,881,757.85 : x
  2. Step 2: Convert to fraction form
    311,040,658.14/429,249,148.52 = 178,881,757.85/x
  3. Step 3: Cross multiply
    311,040,658.14x = 429,249,148.52 × 178,881,757.85
  4. Step 4: Simplify right side
    311,040,658.14x = 76,784,842,239,832,672
  5. Step 5: Solve for x
    x = 76,784,842,239,832,672/311,040,658.14
  6. Step 6: Final answer
    x = 246,864,325.39

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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.