Home / 177,520,233.80-266,280,350.70-81,968,745.80

Finding the Fourth Proportional to 177,520,233.80, 266,280,350.70 and 81,968,745.80

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Solution

The fourth proportional to 177,520,233.80, 266,280,350.70 and 81,968,745.80 is: 122,953,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,520,233.80 : 266,280,350.70 = 81,968,745.80 : x
  2. Step 2: Convert to fraction form
    177,520,233.80/266,280,350.70 = 81,968,745.80/x
  3. Step 3: Cross multiply
    177,520,233.80x = 266,280,350.70 × 81,968,745.80
  4. Step 4: Simplify right side
    177,520,233.80x = 21,826,666,378,063,152
  5. Step 5: Solve for x
    x = 21,826,666,378,063,152/177,520,233.80
  6. Step 6: Final answer
    x = 122,953,118.70

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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.