Home / 208,441,983.20-312,662,974.80-177,537,048.80

Finding the Fourth Proportional to 208,441,983.20, 312,662,974.80 and 177,537,048.80

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Solution

The fourth proportional to 208,441,983.20, 312,662,974.80 and 177,537,048.80 is: 266,305,573.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,441,983.20 : 312,662,974.80 = 177,537,048.80 : x
  2. Step 2: Convert to fraction form
    208,441,983.20/312,662,974.80 = 177,537,048.80/x
  3. Step 3: Cross multiply
    208,441,983.20x = 312,662,974.80 × 177,537,048.80
  4. Step 4: Simplify right side
    208,441,983.20x = 55,509,261,815,020,776
  5. Step 5: Solve for x
    x = 55,509,261,815,020,776/208,441,983.20
  6. Step 6: Final answer
    x = 266,305,573.20

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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.