Home / 277,477,780.20-382,942,851.36-153,757,265.64

Finding the Fourth Proportional to 277,477,780.20, 382,942,851.36 and 153,757,265.64

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Solution

The fourth proportional to 277,477,780.20, 382,942,851.36 and 153,757,265.64 is: 212,198,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,477,780.20 : 382,942,851.36 = 153,757,265.64 : x
  2. Step 2: Convert to fraction form
    277,477,780.20/382,942,851.36 = 153,757,265.64/x
  3. Step 3: Cross multiply
    277,477,780.20x = 382,942,851.36 × 153,757,265.64
  4. Step 4: Simplify right side
    277,477,780.20x = 58,880,245,721,498,552
  5. Step 5: Solve for x
    x = 58,880,245,721,498,552/277,477,780.20
  6. Step 6: Final answer
    x = 212,198,056.65

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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.