Home / 100,848,370.11-139,167,076.47-56,192,034.88

Finding the Fourth Proportional to 100,848,370.11, 139,167,076.47 and 56,192,034.88

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Solution

The fourth proportional to 100,848,370.11, 139,167,076.47 and 56,192,034.88 is: 77,542,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,848,370.11 : 139,167,076.47 = 56,192,034.88 : x
  2. Step 2: Convert to fraction form
    100,848,370.11/139,167,076.47 = 56,192,034.88/x
  3. Step 3: Cross multiply
    100,848,370.11x = 139,167,076.47 × 56,192,034.88
  4. Step 4: Simplify right side
    100,848,370.11x = 7,820,081,215,429,467
  5. Step 5: Solve for x
    x = 7,820,081,215,429,467/100,848,370.11
  6. Step 6: Final answer
    x = 77,542,960.85

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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.