Home / 136,207,277.36-187,970,012.32-74,331,601.44

Finding the Fourth Proportional to 136,207,277.36, 187,970,012.32 and 74,331,601.44

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Solution

The fourth proportional to 136,207,277.36, 187,970,012.32 and 74,331,601.44 is: 102,579,776.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,207,277.36 : 187,970,012.32 = 74,331,601.44 : x
  2. Step 2: Convert to fraction form
    136,207,277.36/187,970,012.32 = 74,331,601.44/x
  3. Step 3: Cross multiply
    136,207,277.36x = 187,970,012.32 × 74,331,601.44
  4. Step 4: Simplify right side
    136,207,277.36x = 13,972,112,038,442,128
  5. Step 5: Solve for x
    x = 13,972,112,038,442,128/136,207,277.36
  6. Step 6: Final answer
    x = 102,579,776.27

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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.