Home / 187,490,311.56-258,738,699.42-103,859,723.16

Finding the Fourth Proportional to 187,490,311.56, 258,738,699.42 and 103,859,723.16

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Solution

The fourth proportional to 187,490,311.56, 258,738,699.42 and 103,859,723.16 is: 143,327,564.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,490,311.56 : 258,738,699.42 = 103,859,723.16 : x
  2. Step 2: Convert to fraction form
    187,490,311.56/258,738,699.42 = 103,859,723.16/x
  3. Step 3: Cross multiply
    187,490,311.56x = 258,738,699.42 × 103,859,723.16
  4. Step 4: Simplify right side
    187,490,311.56x = 26,872,529,692,539,652
  5. Step 5: Solve for x
    x = 26,872,529,692,539,652/187,490,311.56
  6. Step 6: Final answer
    x = 143,327,564.34

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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.