Home / 271,916,812.80-375,240,459.52-148,158,512.64

Finding the Fourth Proportional to 271,916,812.80, 375,240,459.52 and 148,158,512.64

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Solution

The fourth proportional to 271,916,812.80, 375,240,459.52 and 148,158,512.64 is: 204,456,163.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,916,812.80 : 375,240,459.52 = 148,158,512.64 : x
  2. Step 2: Convert to fraction form
    271,916,812.80/375,240,459.52 = 148,158,512.64/x
  3. Step 3: Cross multiply
    271,916,812.80x = 375,240,459.52 × 148,158,512.64
  4. Step 4: Simplify right side
    271,916,812.80x = 55,595,068,364,833,320
  5. Step 5: Solve for x
    x = 55,595,068,364,833,320/271,916,812.80
  6. Step 6: Final answer
    x = 204,456,163.61

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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.