Home / 76,834,115.34-115,251,369.57-31,395,909.66

Finding the Fourth Proportional to 76,834,115.34, 115,251,369.57 and 31,395,909.66

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Solution

The fourth proportional to 76,834,115.34, 115,251,369.57 and 31,395,909.66 is: 47,093,944.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,834,115.34 : 115,251,369.57 = 31,395,909.66 : x
  2. Step 2: Convert to fraction form
    76,834,115.34/115,251,369.57 = 31,395,909.66/x
  3. Step 3: Cross multiply
    76,834,115.34x = 115,251,369.57 × 31,395,909.66
  4. Step 4: Simplify right side
    76,834,115.34x = 3,618,421,587,210,993
  5. Step 5: Solve for x
    x = 3,618,421,587,210,993/76,834,115.34
  6. Step 6: Final answer
    x = 47,093,944.81

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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.