Home / 177,462,403.80-266,193,605.70-81,910,915.80

Finding the Fourth Proportional to 177,462,403.80, 266,193,605.70 and 81,910,915.80

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Solution

The fourth proportional to 177,462,403.80, 266,193,605.70 and 81,910,915.80 is: 122,866,373.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,462,403.80 : 266,193,605.70 = 81,910,915.80 : x
  2. Step 2: Convert to fraction form
    177,462,403.80/266,193,605.70 = 81,910,915.80/x
  3. Step 3: Cross multiply
    177,462,403.80x = 266,193,605.70 × 81,910,915.80
  4. Step 4: Simplify right side
    177,462,403.80x = 21,804,162,022,991,100
  5. Step 5: Solve for x
    x = 21,804,162,022,991,100/177,462,403.80
  6. Step 6: Final answer
    x = 122,866,373.70

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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.