Finding the Fourth Proportional to 247,415,518.98, 341,434,214.01 and 137,407,231.98
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Solution
The fourth proportional to 247,415,518.98, 341,434,214.01 and 137,407,231.98 is: 189,622,423.22
Step by Step Solution
- Step 1: Write the proportion equation
247,415,518.98 : 341,434,214.01 = 137,407,231.98 : x - Step 2: Convert to fraction form
247,415,518.98/341,434,214.01 = 137,407,231.98/x - Step 3: Cross multiply
247,415,518.98x = 341,434,214.01 × 137,407,231.98 - Step 4: Simplify right side
247,415,518.98x = 46,915,530,250,381,032 - Step 5: Solve for x
x = 46,915,530,250,381,032/247,415,518.98 - Step 6: Final answer
x = 189,622,423.22
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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.