Finding the Fourth Proportional to 126,331,209.12, 189,514,867.68 and 38,900,110.40
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Solution
The fourth proportional to 126,331,209.12, 189,514,867.68 and 38,900,110.40 is: 58,355,724.82
Step by Step Solution
- Step 1: Write the proportion equation
126,331,209.12 : 189,514,867.68 = 38,900,110.40 : x - Step 2: Convert to fraction form
126,331,209.12/189,514,867.68 = 38,900,110.40/x - Step 3: Cross multiply
126,331,209.12x = 189,514,867.68 × 38,900,110.40 - Step 4: Simplify right side
126,331,209.12x = 7,372,149,275,193,392 - Step 5: Solve for x
x = 7,372,149,275,193,392/126,331,209.12 - Step 6: Final answer
x = 58,355,724.82
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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.