Home / 187,058,180.48-258,129,876.44-103,421,475.76

Finding the Fourth Proportional to 187,058,180.48, 258,129,876.44 and 103,421,475.76

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Solution

The fourth proportional to 187,058,180.48, 258,129,876.44 and 103,421,475.76 is: 142,715,879.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,058,180.48 : 258,129,876.44 = 103,421,475.76 : x
  2. Step 2: Convert to fraction form
    187,058,180.48/258,129,876.44 = 103,421,475.76/x
  3. Step 3: Cross multiply
    187,058,180.48x = 258,129,876.44 × 103,421,475.76
  4. Step 4: Simplify right side
    187,058,180.48x = 26,696,172,759,171,256
  5. Step 5: Solve for x
    x = 26,696,172,759,171,256/187,058,180.48
  6. Step 6: Final answer
    x = 142,715,879.58

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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.