Home / 88,821,949.20-133,456,872.60-56,489,341.20

Finding the Fourth Proportional to 88,821,949.20, 133,456,872.60 and 56,489,341.20

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Solution

The fourth proportional to 88,821,949.20, 133,456,872.60 and 56,489,341.20 is: 84,876,439.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,821,949.20 : 133,456,872.60 = 56,489,341.20 : x
  2. Step 2: Convert to fraction form
    88,821,949.20/133,456,872.60 = 56,489,341.20/x
  3. Step 3: Cross multiply
    88,821,949.20x = 133,456,872.60 × 56,489,341.20
  4. Step 4: Simplify right side
    88,821,949.20x = 7,538,890,811,786,331
  5. Step 5: Solve for x
    x = 7,538,890,811,786,331/88,821,949.20
  6. Step 6: Final answer
    x = 84,876,439.66

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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.