Home / 242,150,645.76-334,177,925.76-137,747,109.12

Finding the Fourth Proportional to 242,150,645.76, 334,177,925.76 and 137,747,109.12

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Solution

The fourth proportional to 242,150,645.76, 334,177,925.76 and 137,747,109.12 is: 190,096,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,150,645.76 : 334,177,925.76 = 137,747,109.12 : x
  2. Step 2: Convert to fraction form
    242,150,645.76/334,177,925.76 = 137,747,109.12/x
  3. Step 3: Cross multiply
    242,150,645.76x = 334,177,925.76 × 137,747,109.12
  4. Step 4: Simplify right side
    242,150,645.76x = 46,032,043,205,157,976
  5. Step 5: Solve for x
    x = 46,032,043,205,157,976/242,150,645.76
  6. Step 6: Final answer
    x = 190,096,718.76

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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.