Home / 88,171,407.78-121,661,835.11-49,007,859.75

Finding the Fourth Proportional to 88,171,407.78, 121,661,835.11 and 49,007,859.75

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Solution

The fourth proportional to 88,171,407.78, 121,661,835.11 and 49,007,859.75 is: 67,622,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,171,407.78 : 121,661,835.11 = 49,007,859.75 : x
  2. Step 2: Convert to fraction form
    88,171,407.78/121,661,835.11 = 49,007,859.75/x
  3. Step 3: Cross multiply
    88,171,407.78x = 121,661,835.11 × 49,007,859.75
  4. Step 4: Simplify right side
    88,171,407.78x = 5,962,386,151,145,157
  5. Step 5: Solve for x
    x = 5,962,386,151,145,157/88,171,407.78
  6. Step 6: Final answer
    x = 67,622,671.58

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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.