Finding the Fourth Proportional to 115,434,389.95, 159,299,611.94 and 62,511,188.81
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Solution
The fourth proportional to 115,434,389.95, 159,299,611.94 and 62,511,188.81 is: 86,265,523.85
Step by Step Solution
- Step 1: Write the proportion equation
115,434,389.95 : 159,299,611.94 = 62,511,188.81 : x - Step 2: Convert to fraction form
115,434,389.95/159,299,611.94 = 62,511,188.81/x - Step 3: Cross multiply
115,434,389.95x = 159,299,611.94 × 62,511,188.81 - Step 4: Simplify right side
115,434,389.95x = 9,958,008,118,700,850 - Step 5: Solve for x
x = 9,958,008,118,700,850/115,434,389.95 - Step 6: Final answer
x = 86,265,523.85
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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.