Finding the Fourth Proportional to 86,698,138.26, 119,527,691.64 and 68,875,493.35
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Solution
The fourth proportional to 86,698,138.26, 119,527,691.64 and 68,875,493.35 is: 94,956,234.31
Step by Step Solution
- Step 1: Write the proportion equation
86,698,138.26 : 119,527,691.64 = 68,875,493.35 : x - Step 2: Convert to fraction form
86,698,138.26/119,527,691.64 = 68,875,493.35/x - Step 3: Cross multiply
86,698,138.26x = 119,527,691.64 × 68,875,493.35 - Step 4: Simplify right side
86,698,138.26x = 8,232,528,730,691,670 - Step 5: Solve for x
x = 8,232,528,730,691,670/86,698,138.26 - Step 6: Final answer
x = 94,956,234.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.