Home / 126,356,841-189,511,291.98-61,595,513.64

Finding the Fourth Proportional to 126,356,841, 189,511,291.98 and 61,595,513.64

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Solution

The fourth proportional to 126,356,841, 189,511,291.98 and 61,595,513.64 is: 92,381,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,356,841 : 189,511,291.98 = 61,595,513.64 : x
  2. Step 2: Convert to fraction form
    126,356,841/189,511,291.98 = 61,595,513.64/x
  3. Step 3: Cross multiply
    126,356,841x = 189,511,291.98 × 61,595,513.64
  4. Step 4: Simplify right side
    126,356,841x = 11,673,045,370,088,112
  5. Step 5: Solve for x
    x = 11,673,045,370,088,112/126,356,841
  6. Step 6: Final answer
    x = 92,381,585.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.