Home / 247,434,829.80-371,152,244.70-85,876,765.80

Finding the Fourth Proportional to 247,434,829.80, 371,152,244.70 and 85,876,765.80

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Solution

The fourth proportional to 247,434,829.80, 371,152,244.70 and 85,876,765.80 is: 128,815,148.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,434,829.80 : 371,152,244.70 = 85,876,765.80 : x
  2. Step 2: Convert to fraction form
    247,434,829.80/371,152,244.70 = 85,876,765.80/x
  3. Step 3: Cross multiply
    247,434,829.80x = 371,152,244.70 × 85,876,765.80
  4. Step 4: Simplify right side
    247,434,829.80x = 31,873,354,394,246,188
  5. Step 5: Solve for x
    x = 31,873,354,394,246,188/247,434,829.80
  6. Step 6: Final answer
    x = 128,815,148.70

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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.