Home / 203,835,723.52-305,885,126.40-74,432,499.20

Finding the Fourth Proportional to 203,835,723.52, 305,885,126.40 and 74,432,499.20

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Solution

The fourth proportional to 203,835,723.52, 305,885,126.40 and 74,432,499.20 is: 111,696,782.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,835,723.52 : 305,885,126.40 = 74,432,499.20 : x
  2. Step 2: Convert to fraction form
    203,835,723.52/305,885,126.40 = 74,432,499.20/x
  3. Step 3: Cross multiply
    203,835,723.52x = 305,885,126.40 × 74,432,499.20
  4. Step 4: Simplify right side
    203,835,723.52x = 22,767,794,426,059,900
  5. Step 5: Solve for x
    x = 22,767,794,426,059,900/203,835,723.52
  6. Step 6: Final answer
    x = 111,696,782.26

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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.