Home / 137,738,154.40-190,087,246.32-75,858,477.28

Finding the Fourth Proportional to 137,738,154.40, 190,087,246.32 and 75,858,477.28

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Solution

The fourth proportional to 137,738,154.40, 190,087,246.32 and 75,858,477.28 is: 104,689,431.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,738,154.40 : 190,087,246.32 = 75,858,477.28 : x
  2. Step 2: Convert to fraction form
    137,738,154.40/190,087,246.32 = 75,858,477.28/x
  3. Step 3: Cross multiply
    137,738,154.40x = 190,087,246.32 × 75,858,477.28
  4. Step 4: Simplify right side
    137,738,154.40x = 14,419,729,056,183,484
  5. Step 5: Solve for x
    x = 14,419,729,056,183,484/137,738,154.40
  6. Step 6: Final answer
    x = 104,689,431.33

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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.