Home / 78,804,557.30-118,206,835.95-48,571,469.30

Finding the Fourth Proportional to 78,804,557.30, 118,206,835.95 and 48,571,469.30

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Solution

The fourth proportional to 78,804,557.30, 118,206,835.95 and 48,571,469.30 is: 72,857,203.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,804,557.30 : 118,206,835.95 = 48,571,469.30 : x
  2. Step 2: Convert to fraction form
    78,804,557.30/118,206,835.95 = 48,571,469.30/x
  3. Step 3: Cross multiply
    78,804,557.30x = 118,206,835.95 × 48,571,469.30
  4. Step 4: Simplify right side
    78,804,557.30x = 5,741,479,703,395,561
  5. Step 5: Solve for x
    x = 5,741,479,703,395,561/78,804,557.30
  6. Step 6: Final answer
    x = 72,857,203.95

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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.