Home / 85,180,773.85-117,646,431.84-57,255,001.31

Finding the Fourth Proportional to 85,180,773.85, 117,646,431.84 and 57,255,001.31

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Solution

The fourth proportional to 85,180,773.85, 117,646,431.84 and 57,255,001.31 is: 79,077,076.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,180,773.85 : 117,646,431.84 = 57,255,001.31 : x
  2. Step 2: Convert to fraction form
    85,180,773.85/117,646,431.84 = 57,255,001.31/x
  3. Step 3: Cross multiply
    85,180,773.85x = 117,646,431.84 × 57,255,001.31
  4. Step 4: Simplify right side
    85,180,773.85x = 6,735,846,609,116,026
  5. Step 5: Solve for x
    x = 6,735,846,609,116,026/85,180,773.85
  6. Step 6: Final answer
    x = 79,077,076.96

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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.