Home / 252,584,601.03-378,890,483.27-80,074,866.62

Finding the Fourth Proportional to 252,584,601.03, 378,890,483.27 and 80,074,866.62

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Solution

The fourth proportional to 252,584,601.03, 378,890,483.27 and 80,074,866.62 is: 120,116,605.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,584,601.03 : 378,890,483.27 = 80,074,866.62 : x
  2. Step 2: Convert to fraction form
    252,584,601.03/378,890,483.27 = 80,074,866.62/x
  3. Step 3: Cross multiply
    252,584,601.03x = 378,890,483.27 × 80,074,866.62
  4. Step 4: Simplify right side
    252,584,601.03x = 30,339,604,911,432,592
  5. Step 5: Solve for x
    x = 30,339,604,911,432,592/252,584,601.03
  6. Step 6: Final answer
    x = 120,116,605.64

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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.