Finding the Fourth Proportional to 173,415,631.19, 239,313,314.87 and 94,030,548.42
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Solution
The fourth proportional to 173,415,631.19, 239,313,314.87 and 94,030,548.42 is: 129,762,017.91
Step by Step Solution
- Step 1: Write the proportion equation
173,415,631.19 : 239,313,314.87 = 94,030,548.42 : x - Step 2: Convert to fraction form
173,415,631.19/239,313,314.87 = 94,030,548.42/x - Step 3: Cross multiply
173,415,631.19x = 239,313,314.87 × 94,030,548.42 - Step 4: Simplify right side
173,415,631.19x = 22,502,762,240,867,992 - Step 5: Solve for x
x = 22,502,762,240,867,992/173,415,631.19 - Step 6: Final answer
x = 129,762,017.91
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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.