Home / 65,435,859.12-90,296,175.80-37,935,558.84

Finding the Fourth Proportional to 65,435,859.12, 90,296,175.80 and 37,935,558.84

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Solution

The fourth proportional to 65,435,859.12, 90,296,175.80 and 37,935,558.84 is: 52,347,992.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,435,859.12 : 90,296,175.80 = 37,935,558.84 : x
  2. Step 2: Convert to fraction form
    65,435,859.12/90,296,175.80 = 37,935,558.84/x
  3. Step 3: Cross multiply
    65,435,859.12x = 90,296,175.80 × 37,935,558.84
  4. Step 4: Simplify right side
    65,435,859.12x = 3,425,435,890,087,884.50
  5. Step 5: Solve for x
    x = 3,425,435,890,087,884.50/65,435,859.12
  6. Step 6: Final answer
    x = 52,347,992.92

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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.