Home / 254,201,546.80-381,302,320.20-72,425,105.20

Finding the Fourth Proportional to 254,201,546.80, 381,302,320.20 and 72,425,105.20

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Solution

The fourth proportional to 254,201,546.80, 381,302,320.20 and 72,425,105.20 is: 108,637,657.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,201,546.80 : 381,302,320.20 = 72,425,105.20 : x
  2. Step 2: Convert to fraction form
    254,201,546.80/381,302,320.20 = 72,425,105.20/x
  3. Step 3: Cross multiply
    254,201,546.80x = 381,302,320.20 × 72,425,105.20
  4. Step 4: Simplify right side
    254,201,546.80x = 27,615,860,653,489,084
  5. Step 5: Solve for x
    x = 27,615,860,653,489,084/254,201,546.80
  6. Step 6: Final answer
    x = 108,637,657.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.