Home / 272,548,786.64-376,115,412.27-148,789,463.76

Finding the Fourth Proportional to 272,548,786.64, 376,115,412.27 and 148,789,463.76

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Solution

The fourth proportional to 272,548,786.64, 376,115,412.27 and 148,789,463.76 is: 205,328,415.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,548,786.64 : 376,115,412.27 = 148,789,463.76 : x
  2. Step 2: Convert to fraction form
    272,548,786.64/376,115,412.27 = 148,789,463.76/x
  3. Step 3: Cross multiply
    272,548,786.64x = 376,115,412.27 × 148,789,463.76
  4. Step 4: Simplify right side
    272,548,786.64x = 55,962,010,503,524,616
  5. Step 5: Solve for x
    x = 55,962,010,503,524,616/272,548,786.64
  6. Step 6: Final answer
    x = 205,328,415.49

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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.