Home / 98,410,156.20-147,615,234.30-47,279,845.80

Finding the Fourth Proportional to 98,410,156.20, 147,615,234.30 and 47,279,845.80

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Solution

The fourth proportional to 98,410,156.20, 147,615,234.30 and 47,279,845.80 is: 70,919,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,410,156.20 : 147,615,234.30 = 47,279,845.80 : x
  2. Step 2: Convert to fraction form
    98,410,156.20/147,615,234.30 = 47,279,845.80/x
  3. Step 3: Cross multiply
    98,410,156.20x = 147,615,234.30 × 47,279,845.80
  4. Step 4: Simplify right side
    98,410,156.20x = 6,979,225,515,434,871
  5. Step 5: Solve for x
    x = 6,979,225,515,434,871/98,410,156.20
  6. Step 6: Final answer
    x = 70,919,768.70

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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.