Home / 64,343,756.20-96,529,631.10-21,205,618.60

Finding the Fourth Proportional to 64,343,756.20, 96,529,631.10 and 21,205,618.60

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Solution

The fourth proportional to 64,343,756.20, 96,529,631.10 and 21,205,618.60 is: 31,813,040.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,343,756.20 : 96,529,631.10 = 21,205,618.60 : x
  2. Step 2: Convert to fraction form
    64,343,756.20/96,529,631.10 = 21,205,618.60/x
  3. Step 3: Cross multiply
    64,343,756.20x = 96,529,631.10 × 21,205,618.60
  4. Step 4: Simplify right side
    64,343,756.20x = 2,046,970,540,705,298.50
  5. Step 5: Solve for x
    x = 2,046,970,540,705,298.50/64,343,756.20
  6. Step 6: Final answer
    x = 31,813,040.79

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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.