Home / 103,626,863.36-142,945,122.32-66,957,434.36

Finding the Fourth Proportional to 103,626,863.36, 142,945,122.32 and 66,957,434.36

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Solution

The fourth proportional to 103,626,863.36, 142,945,122.32 and 66,957,434.36 is: 92,362,523.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,626,863.36 : 142,945,122.32 = 66,957,434.36 : x
  2. Step 2: Convert to fraction form
    103,626,863.36/142,945,122.32 = 66,957,434.36/x
  3. Step 3: Cross multiply
    103,626,863.36x = 142,945,122.32 × 66,957,434.36
  4. Step 4: Simplify right side
    103,626,863.36x = 9,571,238,644,823,570
  5. Step 5: Solve for x
    x = 9,571,238,644,823,570/103,626,863.36
  6. Step 6: Final answer
    x = 92,362,523.91

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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.