Home / 136,062,893.24-187,782,733.42-77,334,386.30

Finding the Fourth Proportional to 136,062,893.24, 187,782,733.42 and 77,334,386.30

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Solution

The fourth proportional to 136,062,893.24, 187,782,733.42 and 77,334,386.30 is: 106,730,513.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,062,893.24 : 187,782,733.42 = 77,334,386.30 : x
  2. Step 2: Convert to fraction form
    136,062,893.24/187,782,733.42 = 77,334,386.30/x
  3. Step 3: Cross multiply
    136,062,893.24x = 187,782,733.42 × 77,334,386.30
  4. Step 4: Simplify right side
    136,062,893.24x = 14,522,062,446,344,134
  5. Step 5: Solve for x
    x = 14,522,062,446,344,134/136,062,893.24
  6. Step 6: Final answer
    x = 106,730,513.37

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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.