Home / 187,981,060.72-281,973,538.32-56,824,428.64

Finding the Fourth Proportional to 187,981,060.72, 281,973,538.32 and 56,824,428.64

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Solution

The fourth proportional to 187,981,060.72, 281,973,538.32 and 56,824,428.64 is: 85,237,231.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,981,060.72 : 281,973,538.32 = 56,824,428.64 : x
  2. Step 2: Convert to fraction form
    187,981,060.72/281,973,538.32 = 56,824,428.64/x
  3. Step 3: Cross multiply
    187,981,060.72x = 281,973,538.32 × 56,824,428.64
  4. Step 4: Simplify right side
    187,981,060.72x = 16,022,985,206,633,146
  5. Step 5: Solve for x
    x = 16,022,985,206,633,146/187,981,060.72
  6. Step 6: Final answer
    x = 85,237,231.59

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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.