Home / 92,757,969.60-128,003,538.24-51,503,801.28

Finding the Fourth Proportional to 92,757,969.60, 128,003,538.24 and 51,503,801.28

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Solution

The fourth proportional to 92,757,969.60, 128,003,538.24 and 51,503,801.28 is: 71,073,879.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,757,969.60 : 128,003,538.24 = 51,503,801.28 : x
  2. Step 2: Convert to fraction form
    92,757,969.60/128,003,538.24 = 51,503,801.28/x
  3. Step 3: Cross multiply
    92,757,969.60x = 128,003,538.24 × 51,503,801.28
  4. Step 4: Simplify right side
    92,757,969.60x = 6,592,668,796,649,841
  5. Step 5: Solve for x
    x = 6,592,668,796,649,841/92,757,969.60
  6. Step 6: Final answer
    x = 71,073,879.96

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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.