Home / 187,058,186.47-258,129,884.73-103,421,481.76

Finding the Fourth Proportional to 187,058,186.47, 258,129,884.73 and 103,421,481.76

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Solution

The fourth proportional to 187,058,186.47, 258,129,884.73 and 103,421,481.76 is: 142,715,887.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,058,186.47 : 258,129,884.73 = 103,421,481.76 : x
  2. Step 2: Convert to fraction form
    187,058,186.47/258,129,884.73 = 103,421,481.76/x
  3. Step 3: Cross multiply
    187,058,186.47x = 258,129,884.73 × 103,421,481.76
  4. Step 4: Simplify right side
    187,058,186.47x = 26,696,175,165,314,596
  5. Step 5: Solve for x
    x = 26,696,175,165,314,596/187,058,186.47
  6. Step 6: Final answer
    x = 142,715,887.87

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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.