Home / 178,626,439.20-267,939,658.80-87,927,175.20

Finding the Fourth Proportional to 178,626,439.20, 267,939,658.80 and 87,927,175.20

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Solution

The fourth proportional to 178,626,439.20, 267,939,658.80 and 87,927,175.20 is: 131,890,762.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,626,439.20 : 267,939,658.80 = 87,927,175.20 : x
  2. Step 2: Convert to fraction form
    178,626,439.20/267,939,658.80 = 87,927,175.20/x
  3. Step 3: Cross multiply
    178,626,439.20x = 267,939,658.80 × 87,927,175.20
  4. Step 4: Simplify right side
    178,626,439.20x = 23,559,177,322,335,824
  5. Step 5: Solve for x
    x = 23,559,177,322,335,824/178,626,439.20
  6. Step 6: Final answer
    x = 131,890,762.80

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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.