Home / 91,207,259.36-125,866,139.33-49,391,396.82

Finding the Fourth Proportional to 91,207,259.36, 125,866,139.33 and 49,391,396.82

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Solution

The fourth proportional to 91,207,259.36, 125,866,139.33 and 49,391,396.82 is: 68,160,193.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,207,259.36 : 125,866,139.33 = 49,391,396.82 : x
  2. Step 2: Convert to fraction form
    91,207,259.36/125,866,139.33 = 49,391,396.82/x
  3. Step 3: Cross multiply
    91,207,259.36x = 125,866,139.33 × 49,391,396.82
  4. Step 4: Simplify right side
    91,207,259.36x = 6,216,704,433,979,137
  5. Step 5: Solve for x
    x = 6,216,704,433,979,137/91,207,259.36
  6. Step 6: Final answer
    x = 68,160,193.36

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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.