Home / 87,111,312.44-120,238,996.73-56,940,192.17

Finding the Fourth Proportional to 87,111,312.44, 120,238,996.73 and 56,940,192.17

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Solution

The fourth proportional to 87,111,312.44, 120,238,996.73 and 56,940,192.17 is: 78,594,058.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,111,312.44 : 120,238,996.73 = 56,940,192.17 : x
  2. Step 2: Convert to fraction form
    87,111,312.44/120,238,996.73 = 56,940,192.17/x
  3. Step 3: Cross multiply
    87,111,312.44x = 120,238,996.73 × 56,940,192.17
  4. Step 4: Simplify right side
    87,111,312.44x = 6,846,431,579,699,202
  5. Step 5: Solve for x
    x = 6,846,431,579,699,202/87,111,312.44
  6. Step 6: Final answer
    x = 78,594,058.43

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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.