Home / 85,040,564.18-117,293,317.52-64,133,476.92

Finding the Fourth Proportional to 85,040,564.18, 117,293,317.52 and 64,133,476.92

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Solution

The fourth proportional to 85,040,564.18, 117,293,317.52 and 64,133,476.92 is: 88,456,942.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,040,564.18 : 117,293,317.52 = 64,133,476.92 : x
  2. Step 2: Convert to fraction form
    85,040,564.18/117,293,317.52 = 64,133,476.92/x
  3. Step 3: Cross multiply
    85,040,564.18x = 117,293,317.52 × 64,133,476.92
  4. Step 4: Simplify right side
    85,040,564.18x = 7,522,428,271,718,485
  5. Step 5: Solve for x
    x = 7,522,428,271,718,485/85,040,564.18
  6. Step 6: Final answer
    x = 88,456,942.22

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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.