Home / 210,969,251.20-316,453,876.80-74,668,412.80

Finding the Fourth Proportional to 210,969,251.20, 316,453,876.80 and 74,668,412.80

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Solution

The fourth proportional to 210,969,251.20, 316,453,876.80 and 74,668,412.80 is: 112,002,619.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,969,251.20 : 316,453,876.80 = 74,668,412.80 : x
  2. Step 2: Convert to fraction form
    210,969,251.20/316,453,876.80 = 74,668,412.80/x
  3. Step 3: Cross multiply
    210,969,251.20x = 316,453,876.80 × 74,668,412.80
  4. Step 4: Simplify right side
    210,969,251.20x = 23,629,108,705,062,744
  5. Step 5: Solve for x
    x = 23,629,108,705,062,744/210,969,251.20
  6. Step 6: Final answer
    x = 112,002,619.20

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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.