Home / 56,270,910.42-77,652,188.57-31,154,139.12

Finding the Fourth Proportional to 56,270,910.42, 77,652,188.57 and 31,154,139.12

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Solution

The fourth proportional to 56,270,910.42, 77,652,188.57 and 31,154,139.12 is: 42,991,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,270,910.42 : 77,652,188.57 = 31,154,139.12 : x
  2. Step 2: Convert to fraction form
    56,270,910.42/77,652,188.57 = 31,154,139.12/x
  3. Step 3: Cross multiply
    56,270,910.42x = 77,652,188.57 × 31,154,139.12
  4. Step 4: Simplify right side
    56,270,910.42x = 2,419,187,085,526,483
  5. Step 5: Solve for x
    x = 2,419,187,085,526,483/56,270,910.42
  6. Step 6: Final answer
    x = 42,991,788.61

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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.