Home / 247,434,830.80-371,152,246.20-85,876,766.80

Finding the Fourth Proportional to 247,434,830.80, 371,152,246.20 and 85,876,766.80

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Solution

The fourth proportional to 247,434,830.80, 371,152,246.20 and 85,876,766.80 is: 128,815,150.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,434,830.80 : 371,152,246.20 = 85,876,766.80 : x
  2. Step 2: Convert to fraction form
    247,434,830.80/371,152,246.20 = 85,876,766.80/x
  3. Step 3: Cross multiply
    247,434,830.80x = 371,152,246.20 × 85,876,766.80
  4. Step 4: Simplify right side
    247,434,830.80x = 31,873,354,894,213,584
  5. Step 5: Solve for x
    x = 31,873,354,894,213,584/247,434,830.80
  6. Step 6: Final answer
    x = 128,815,150.20

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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.