Home / 248,152,542.30-372,228,813.45-119,012,379.30

Finding the Fourth Proportional to 248,152,542.30, 372,228,813.45 and 119,012,379.30

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Solution

The fourth proportional to 248,152,542.30, 372,228,813.45 and 119,012,379.30 is: 178,518,568.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,152,542.30 : 372,228,813.45 = 119,012,379.30 : x
  2. Step 2: Convert to fraction form
    248,152,542.30/372,228,813.45 = 119,012,379.30/x
  3. Step 3: Cross multiply
    248,152,542.30x = 372,228,813.45 × 119,012,379.30
  4. Step 4: Simplify right side
    248,152,542.30x = 44,299,836,732,700,336
  5. Step 5: Solve for x
    x = 44,299,836,732,700,336/248,152,542.30
  6. Step 6: Final answer
    x = 178,518,568.95

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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.