Home / 137,845,111.80-190,226,258.19-75,965,450.37

Finding the Fourth Proportional to 137,845,111.80, 190,226,258.19 and 75,965,450.37

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Solution

The fourth proportional to 137,845,111.80, 190,226,258.19 and 75,965,450.37 is: 104,832,323.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,845,111.80 : 190,226,258.19 = 75,965,450.37 : x
  2. Step 2: Convert to fraction form
    137,845,111.80/190,226,258.19 = 75,965,450.37/x
  3. Step 3: Cross multiply
    137,845,111.80x = 190,226,258.19 × 75,965,450.37
  4. Step 4: Simplify right side
    137,845,111.80x = 14,450,623,375,603,252
  5. Step 5: Solve for x
    x = 14,450,623,375,603,252/137,845,111.80
  6. Step 6: Final answer
    x = 104,832,323.66

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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.