Home / 65,493,504.74-90,379,453.24-36,124,206.57

Finding the Fourth Proportional to 65,493,504.74, 90,379,453.24 and 36,124,206.57

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Solution

The fourth proportional to 65,493,504.74, 90,379,453.24 and 36,124,206.57 is: 49,850,531.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,493,504.74 : 90,379,453.24 = 36,124,206.57 : x
  2. Step 2: Convert to fraction form
    65,493,504.74/90,379,453.24 = 36,124,206.57/x
  3. Step 3: Cross multiply
    65,493,504.74x = 90,379,453.24 × 36,124,206.57
  4. Step 4: Simplify right side
    65,493,504.74x = 3,264,886,038,435,105
  5. Step 5: Solve for x
    x = 3,264,886,038,435,105/65,493,504.74
  6. Step 6: Final answer
    x = 49,850,531.76

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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.