Home / 121,383,037.27-167,521,572.71-74,371,309.71

Finding the Fourth Proportional to 121,383,037.27, 167,521,572.71 and 74,371,309.71

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Solution

The fourth proportional to 121,383,037.27, 167,521,572.71 and 74,371,309.71 is: 102,640,361.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,383,037.27 : 167,521,572.71 = 74,371,309.71 : x
  2. Step 2: Convert to fraction form
    121,383,037.27/167,521,572.71 = 74,371,309.71/x
  3. Step 3: Cross multiply
    121,383,037.27x = 167,521,572.71 × 74,371,309.71
  4. Step 4: Simplify right side
    121,383,037.27x = 12,458,798,766,400,524
  5. Step 5: Solve for x
    x = 12,458,798,766,400,524/121,383,037.27
  6. Step 6: Final answer
    x = 102,640,361.01

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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.