Home / 187,981,059.72-281,973,536.82-56,824,427.64

Finding the Fourth Proportional to 187,981,059.72, 281,973,536.82 and 56,824,427.64

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Solution

The fourth proportional to 187,981,059.72, 281,973,536.82 and 56,824,427.64 is: 85,237,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,981,059.72 : 281,973,536.82 = 56,824,427.64 : x
  2. Step 2: Convert to fraction form
    187,981,059.72/281,973,536.82 = 56,824,427.64/x
  3. Step 3: Cross multiply
    187,981,059.72x = 281,973,536.82 × 56,824,427.64
  4. Step 4: Simplify right side
    187,981,059.72x = 16,022,984,839,422,966
  5. Step 5: Solve for x
    x = 16,022,984,839,422,966/187,981,059.72
  6. Step 6: Final answer
    x = 85,237,230.09

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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.