Home / 93,025,539.76-128,375,245.24-51,782,175.20

Finding the Fourth Proportional to 93,025,539.76, 128,375,245.24 and 51,782,175.20

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Solution

The fourth proportional to 93,025,539.76, 128,375,245.24 and 51,782,175.20 is: 71,459,401.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,025,539.76 : 128,375,245.24 = 51,782,175.20 : x
  2. Step 2: Convert to fraction form
    93,025,539.76/128,375,245.24 = 51,782,175.20/x
  3. Step 3: Cross multiply
    93,025,539.76x = 128,375,245.24 × 51,782,175.20
  4. Step 4: Simplify right side
    93,025,539.76x = 6,647,549,440,360,646
  5. Step 5: Solve for x
    x = 6,647,549,440,360,646/93,025,539.76
  6. Step 6: Final answer
    x = 71,459,401.98

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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.