Finding the Fourth Proportional to 247,415,536.98, 341,434,238.85 and 137,407,249.98
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Solution
The fourth proportional to 247,415,536.98, 341,434,238.85 and 137,407,249.98 is: 189,622,448.06
Step by Step Solution
- Step 1: Write the proportion equation
247,415,536.98 : 341,434,238.85 = 137,407,249.98 : x - Step 2: Convert to fraction form
247,415,536.98/341,434,238.85 = 137,407,249.98/x - Step 3: Cross multiply
247,415,536.98x = 341,434,238.85 × 137,407,249.98 - Step 4: Simplify right side
247,415,536.98x = 46,915,539,809,392,976 - Step 5: Solve for x
x = 46,915,539,809,392,976/247,415,536.98 - Step 6: Final answer
x = 189,622,448.06
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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.