Home / 65,373,544.49-90,221,863.71-48,824,938.84

Finding the Fourth Proportional to 65,373,544.49, 90,221,863.71 and 48,824,938.84

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Solution

The fourth proportional to 65,373,544.49, 90,221,863.71 and 48,824,938.84 is: 67,383,174.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,373,544.49 : 90,221,863.71 = 48,824,938.84 : x
  2. Step 2: Convert to fraction form
    65,373,544.49/90,221,863.71 = 48,824,938.84/x
  3. Step 3: Cross multiply
    65,373,544.49x = 90,221,863.71 × 48,824,938.84
  4. Step 4: Simplify right side
    65,373,544.49x = 4,405,076,977,784,342.50
  5. Step 5: Solve for x
    x = 4,405,076,977,784,342.50/65,373,544.49
  6. Step 6: Final answer
    x = 67,383,174.83

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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.