Home / 78,804,564.80-118,206,847.21-48,571,476.80

Finding the Fourth Proportional to 78,804,564.80, 118,206,847.21 and 48,571,476.80

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Solution

The fourth proportional to 78,804,564.80, 118,206,847.21 and 48,571,476.80 is: 72,857,215.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,804,564.80 : 118,206,847.21 = 48,571,476.80 : x
  2. Step 2: Convert to fraction form
    78,804,564.80/118,206,847.21 = 48,571,476.80/x
  3. Step 3: Cross multiply
    78,804,564.80x = 118,206,847.21 × 48,571,476.80
  4. Step 4: Simplify right side
    78,804,564.80x = 5,741,481,136,861,659
  5. Step 5: Solve for x
    x = 5,741,481,136,861,659/78,804,564.80
  6. Step 6: Final answer
    x = 72,857,215.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.