Home / 187,738,218.72-259,090,714.80-105,232,024.80

Finding the Fourth Proportional to 187,738,218.72, 259,090,714.80 and 105,232,024.80

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Solution

The fourth proportional to 187,738,218.72, 259,090,714.80 and 105,232,024.80 is: 145,226,905.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,738,218.72 : 259,090,714.80 = 105,232,024.80 : x
  2. Step 2: Convert to fraction form
    187,738,218.72/259,090,714.80 = 105,232,024.80/x
  3. Step 3: Cross multiply
    187,738,218.72x = 259,090,714.80 × 105,232,024.80
  4. Step 4: Simplify right side
    187,738,218.72x = 27,264,640,525,283,328
  5. Step 5: Solve for x
    x = 27,264,640,525,283,328/187,738,218.72
  6. Step 6: Final answer
    x = 145,226,905.37

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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.