Finding the Fourth Proportional to 126,238,889.70, 189,311,095.35 and 44,326,116.90
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Solution
The fourth proportional to 126,238,889.70, 189,311,095.35 and 44,326,116.90 is: 66,472,588.30
Step by Step Solution
- Step 1: Write the proportion equation
126,238,889.70 : 189,311,095.35 = 44,326,116.90 : x - Step 2: Convert to fraction form
126,238,889.70/189,311,095.35 = 44,326,116.90/x - Step 3: Cross multiply
126,238,889.70x = 189,311,095.35 × 44,326,116.90 - Step 4: Simplify right side
126,238,889.70x = 8,391,425,742,951,146 - Step 5: Solve for x
x = 8,391,425,742,951,146/126,238,889.70 - Step 6: Final answer
x = 66,472,588.30
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.