Home / 187,490,129.65-258,738,448.32-103,859,541.25

Finding the Fourth Proportional to 187,490,129.65, 258,738,448.32 and 103,859,541.25

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Solution

The fourth proportional to 187,490,129.65, 258,738,448.32 and 103,859,541.25 is: 143,327,313.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,490,129.65 : 258,738,448.32 = 103,859,541.25 : x
  2. Step 2: Convert to fraction form
    187,490,129.65/258,738,448.32 = 103,859,541.25/x
  3. Step 3: Cross multiply
    187,490,129.65x = 258,738,448.32 × 103,859,541.25
  4. Step 4: Simplify right side
    187,490,129.65x = 26,872,456,546,252,032
  5. Step 5: Solve for x
    x = 26,872,456,546,252,032/187,490,129.65
  6. Step 6: Final answer
    x = 143,327,313.26

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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.