Home / 215,898,091.80-323,368,840.80-187,200,277.80

Finding the Fourth Proportional to 215,898,091.80, 323,368,840.80 and 187,200,277.80

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Solution

The fourth proportional to 215,898,091.80, 323,368,840.80 and 187,200,277.80 is: 280,385,696.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,898,091.80 : 323,368,840.80 = 187,200,277.80 : x
  2. Step 2: Convert to fraction form
    215,898,091.80/323,368,840.80 = 187,200,277.80/x
  3. Step 3: Cross multiply
    215,898,091.80x = 323,368,840.80 × 187,200,277.80
  4. Step 4: Simplify right side
    215,898,091.80x = 60,534,736,829,623,984
  5. Step 5: Solve for x
    x = 60,534,736,829,623,984/215,898,091.80
  6. Step 6: Final answer
    x = 280,385,696.44

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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.