Home / 140,030,485.56-210,078,721.26-47,915,226.54

Finding the Fourth Proportional to 140,030,485.56, 210,078,721.26 and 47,915,226.54

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Solution

The fourth proportional to 140,030,485.56, 210,078,721.26 and 47,915,226.54 is: 71,884,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,030,485.56 : 210,078,721.26 = 47,915,226.54 : x
  2. Step 2: Convert to fraction form
    140,030,485.56/210,078,721.26 = 47,915,226.54/x
  3. Step 3: Cross multiply
    140,030,485.56x = 210,078,721.26 × 47,915,226.54
  4. Step 4: Simplify right side
    140,030,485.56x = 10,065,969,520,406,414
  5. Step 5: Solve for x
    x = 10,065,969,520,406,414/140,030,485.56
  6. Step 6: Final answer
    x = 71,884,129.23

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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.