Home / 76,027,598,580.16-114,045,755,978.10-20,128,633,620.04

Finding the Fourth Proportional to 76,027,598,580.16, 114,045,755,978.10 and 20,128,633,620.04

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Solution

The fourth proportional to 76,027,598,580.16, 114,045,755,978.10 and 20,128,633,620.04 is: 30,194,104,257.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,027,598,580.16 : 114,045,755,978.10 = 20,128,633,620.04 : x
  2. Step 2: Convert to fraction form
    76,027,598,580.16/114,045,755,978.10 = 20,128,633,620.04/x
  3. Step 3: Cross multiply
    76,027,598,580.16x = 114,045,755,978.10 × 20,128,633,620.04
  4. Step 4: Simplify right side
    76,027,598,580.16x = 2,295,585,238,003,661,668,352
  5. Step 5: Solve for x
    x = 2,295,585,238,003,661,668,352/76,027,598,580.16
  6. Step 6: Final answer
    x = 30,194,104,257.85

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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.