Home / 408,217,899.96-612,329,285.68-101,510,012.84

Finding the Fourth Proportional to 408,217,899.96, 612,329,285.68 and 101,510,012.84

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Solution

The fourth proportional to 408,217,899.96, 612,329,285.68 and 101,510,012.84 is: 152,265,624.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,217,899.96 : 612,329,285.68 = 101,510,012.84 : x
  2. Step 2: Convert to fraction form
    408,217,899.96/612,329,285.68 = 101,510,012.84/x
  3. Step 3: Cross multiply
    408,217,899.96x = 612,329,285.68 × 101,510,012.84
  4. Step 4: Simplify right side
    408,217,899.96x = 62,157,553,648,369,400
  5. Step 5: Solve for x
    x = 62,157,553,648,369,400/408,217,899.96
  6. Step 6: Final answer
    x = 152,265,624.94

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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.