Home / 85,180,765.29-117,646,420.01-57,254,992.74

Finding the Fourth Proportional to 85,180,765.29, 117,646,420.01 and 57,254,992.74

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Solution

The fourth proportional to 85,180,765.29, 117,646,420.01 and 57,254,992.74 is: 79,077,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,180,765.29 : 117,646,420.01 = 57,254,992.74 : x
  2. Step 2: Convert to fraction form
    85,180,765.29/117,646,420.01 = 57,254,992.74/x
  3. Step 3: Cross multiply
    85,180,765.29x = 117,646,420.01 × 57,254,992.74
  4. Step 4: Simplify right side
    85,180,765.29x = 6,735,844,923,273,266
  5. Step 5: Solve for x
    x = 6,735,844,923,273,266/85,180,765.29
  6. Step 6: Final answer
    x = 79,077,065.12

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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.