Home / 93,025,680.75-128,375,439.44-51,782,316.21

Finding the Fourth Proportional to 93,025,680.75, 128,375,439.44 and 51,782,316.21

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Solution

The fourth proportional to 93,025,680.75, 128,375,439.44 and 51,782,316.21 is: 71,459,596.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,025,680.75 : 128,375,439.44 = 51,782,316.21 : x
  2. Step 2: Convert to fraction form
    93,025,680.75/128,375,439.44 = 51,782,316.21/x
  3. Step 3: Cross multiply
    93,025,680.75x = 128,375,439.44 × 51,782,316.21
  4. Step 4: Simplify right side
    93,025,680.75x = 6,647,577,598,420,874
  5. Step 5: Solve for x
    x = 6,647,577,598,420,874/93,025,680.75
  6. Step 6: Final answer
    x = 71,459,596.37

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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.