Home / 138,611,755.00-191,285,733.55-76,733,126.92

Finding the Fourth Proportional to 138,611,755.00, 191,285,733.55 and 76,733,126.92

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Solution

The fourth proportional to 138,611,755.00, 191,285,733.55 and 76,733,126.92 is: 105,892,551.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,611,755.00 : 191,285,733.55 = 76,733,126.92 : x
  2. Step 2: Convert to fraction form
    138,611,755.00/191,285,733.55 = 76,733,126.92/x
  3. Step 3: Cross multiply
    138,611,755.00x = 191,285,733.55 × 76,733,126.92
  4. Step 4: Simplify right side
    138,611,755.00x = 14,677,952,469,521,026
  5. Step 5: Solve for x
    x = 14,677,952,469,521,026/138,611,755.00
  6. Step 6: Final answer
    x = 105,892,551.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.