Home / 90,220,612.20-124,504,565.85-48,967,493.64

Finding the Fourth Proportional to 90,220,612.20, 124,504,565.85 and 48,967,493.64

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Solution

The fourth proportional to 90,220,612.20, 124,504,565.85 and 48,967,493.64 is: 67,575,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,220,612.20 : 124,504,565.85 = 48,967,493.64 : x
  2. Step 2: Convert to fraction form
    90,220,612.20/124,504,565.85 = 48,967,493.64/x
  3. Step 3: Cross multiply
    90,220,612.20x = 124,504,565.85 × 48,967,493.64
  4. Step 4: Simplify right side
    90,220,612.20x = 6,096,676,536,410,836
  5. Step 5: Solve for x
    x = 6,096,676,536,410,836/90,220,612.20
  6. Step 6: Final answer
    x = 67,575,206.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.