Home / 93,025,755.12-128,375,543.76-51,782,390.52

Finding the Fourth Proportional to 93,025,755.12, 128,375,543.76 and 51,782,390.52

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Solution

The fourth proportional to 93,025,755.12, 128,375,543.76 and 51,782,390.52 is: 71,459,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,025,755.12 : 128,375,543.76 = 51,782,390.52 : x
  2. Step 2: Convert to fraction form
    93,025,755.12/128,375,543.76 = 51,782,390.52/x
  3. Step 3: Cross multiply
    93,025,755.12x = 128,375,543.76 × 51,782,390.52
  4. Step 4: Simplify right side
    93,025,755.12x = 6,647,592,540,197,670
  5. Step 5: Solve for x
    x = 6,647,592,540,197,670/93,025,755.12
  6. Step 6: Final answer
    x = 71,459,699.86

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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.