Home / 64,343,750.20-96,529,622.10-21,205,612.60

Finding the Fourth Proportional to 64,343,750.20, 96,529,622.10 and 21,205,612.60

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Solution

The fourth proportional to 64,343,750.20, 96,529,622.10 and 21,205,612.60 is: 31,813,031.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,343,750.20 : 96,529,622.10 = 21,205,612.60 : x
  2. Step 2: Convert to fraction form
    64,343,750.20/96,529,622.10 = 21,205,612.60/x
  3. Step 3: Cross multiply
    64,343,750.20x = 96,529,622.10 × 21,205,612.60
  4. Step 4: Simplify right side
    64,343,750.20x = 2,046,969,770,676,998.50
  5. Step 5: Solve for x
    x = 2,046,969,770,676,998.50/64,343,750.20
  6. Step 6: Final answer
    x = 31,813,031.79

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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.