Home / 65,691,447.53-90,650,302.52-36,320,474.93

Finding the Fourth Proportional to 65,691,447.53, 90,650,302.52 and 36,320,474.93

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Solution

The fourth proportional to 65,691,447.53, 90,650,302.52 and 36,320,474.93 is: 50,120,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,691,447.53 : 90,650,302.52 = 36,320,474.93 : x
  2. Step 2: Convert to fraction form
    65,691,447.53/90,650,302.52 = 36,320,474.93/x
  3. Step 3: Cross multiply
    65,691,447.53x = 90,650,302.52 × 36,320,474.93
  4. Step 4: Simplify right side
    65,691,447.53x = 3,292,462,039,439,721.50
  5. Step 5: Solve for x
    x = 3,292,462,039,439,721.50/65,691,447.53
  6. Step 6: Final answer
    x = 50,120,101.83

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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.