Home / 208,441,985.20-312,662,977.80-177,537,050.80

Finding the Fourth Proportional to 208,441,985.20, 312,662,977.80 and 177,537,050.80

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Solution

The fourth proportional to 208,441,985.20, 312,662,977.80 and 177,537,050.80 is: 266,305,576.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,441,985.20 : 312,662,977.80 = 177,537,050.80 : x
  2. Step 2: Convert to fraction form
    208,441,985.20/312,662,977.80 = 177,537,050.80/x
  3. Step 3: Cross multiply
    208,441,985.20x = 312,662,977.80 × 177,537,050.80
  4. Step 4: Simplify right side
    208,441,985.20x = 55,509,262,972,957,880
  5. Step 5: Solve for x
    x = 55,509,262,972,957,880/208,441,985.20
  6. Step 6: Final answer
    x = 266,305,576.20

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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.