Home / 64,728,949.75-97,094,266.31-21,598,153.18

Finding the Fourth Proportional to 64,728,949.75, 97,094,266.31 and 21,598,153.18

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Solution

The fourth proportional to 64,728,949.75, 97,094,266.31 and 21,598,153.18 is: 32,397,510.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,728,949.75 : 97,094,266.31 = 21,598,153.18 : x
  2. Step 2: Convert to fraction form
    64,728,949.75/97,094,266.31 = 21,598,153.18/x
  3. Step 3: Cross multiply
    64,728,949.75x = 97,094,266.31 × 21,598,153.18
  4. Step 4: Simplify right side
    64,728,949.75x = 2,097,056,836,474,353
  5. Step 5: Solve for x
    x = 2,097,056,836,474,353/64,728,949.75
  6. Step 6: Final answer
    x = 32,397,510.61

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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.