Home / 140,504,807.70-210,757,211.55-92,287,386.90

Finding the Fourth Proportional to 140,504,807.70, 210,757,211.55 and 92,287,386.90

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Solution

The fourth proportional to 140,504,807.70, 210,757,211.55 and 92,287,386.90 is: 138,431,080.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,504,807.70 : 210,757,211.55 = 92,287,386.90 : x
  2. Step 2: Convert to fraction form
    140,504,807.70/210,757,211.55 = 92,287,386.90/x
  3. Step 3: Cross multiply
    140,504,807.70x = 210,757,211.55 × 92,287,386.90
  4. Step 4: Simplify right side
    140,504,807.70x = 19,450,232,324,280,000
  5. Step 5: Solve for x
    x = 19,450,232,324,280,000/140,504,807.70
  6. Step 6: Final answer
    x = 138,431,080.35

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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.