Home / 140,548,982.40-210,543,537.60-123,715,497.60

Finding the Fourth Proportional to 140,548,982.40, 210,543,537.60 and 123,715,497.60

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Solution

The fourth proportional to 140,548,982.40, 210,543,537.60 and 123,715,497.60 is: 185,326,838.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,548,982.40 : 210,543,537.60 = 123,715,497.60 : x
  2. Step 2: Convert to fraction form
    140,548,982.40/210,543,537.60 = 123,715,497.60/x
  3. Step 3: Cross multiply
    140,548,982.40x = 210,543,537.60 × 123,715,497.60
  4. Step 4: Simplify right side
    140,548,982.40x = 26,047,498,520,648,308
  5. Step 5: Solve for x
    x = 26,047,498,520,648,308/140,548,982.40
  6. Step 6: Final answer
    x = 185,326,838.20

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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.