Home / 124,063,129.89-171,205,712.71-68,307,411.69

Finding the Fourth Proportional to 124,063,129.89, 171,205,712.71 and 68,307,411.69

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Solution

The fourth proportional to 124,063,129.89, 171,205,712.71 and 68,307,411.69 is: 94,263,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,063,129.89 : 171,205,712.71 = 68,307,411.69 : x
  2. Step 2: Convert to fraction form
    124,063,129.89/171,205,712.71 = 68,307,411.69/x
  3. Step 3: Cross multiply
    124,063,129.89x = 171,205,712.71 × 68,307,411.69
  4. Step 4: Simplify right side
    124,063,129.89x = 11,694,619,101,591,068
  5. Step 5: Solve for x
    x = 11,694,619,101,591,068/124,063,129.89
  6. Step 6: Final answer
    x = 94,263,453.71

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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.