Home / 187,120,498.60-258,213,179.19-108,798,495.49

Finding the Fourth Proportional to 187,120,498.60, 258,213,179.19 and 108,798,495.49

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Solution

The fourth proportional to 187,120,498.60, 258,213,179.19 and 108,798,495.49 is: 150,134,301.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,120,498.60 : 258,213,179.19 = 108,798,495.49 : x
  2. Step 2: Convert to fraction form
    187,120,498.60/258,213,179.19 = 108,798,495.49/x
  3. Step 3: Cross multiply
    187,120,498.60x = 258,213,179.19 × 108,798,495.49
  4. Step 4: Simplify right side
    187,120,498.60x = 28,093,205,411,561,776
  5. Step 5: Solve for x
    x = 28,093,205,411,561,776/187,120,498.60
  6. Step 6: Final answer
    x = 150,134,301.81

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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.