Home / 247,352,493.60-371,028,740.40-85,794,429.60

Finding the Fourth Proportional to 247,352,493.60, 371,028,740.40 and 85,794,429.60

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Solution

The fourth proportional to 247,352,493.60, 371,028,740.40 and 85,794,429.60 is: 128,691,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,352,493.60 : 371,028,740.40 = 85,794,429.60 : x
  2. Step 2: Convert to fraction form
    247,352,493.60/371,028,740.40 = 85,794,429.60/x
  3. Step 3: Cross multiply
    247,352,493.60x = 371,028,740.40 × 85,794,429.60
  4. Step 4: Simplify right side
    247,352,493.60x = 31,832,199,147,824,472
  5. Step 5: Solve for x
    x = 31,832,199,147,824,472/247,352,493.60
  6. Step 6: Final answer
    x = 128,691,644.40

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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.