Finding the Fourth Proportional to 217,727,871.18, 300,464,329.74 and 119,942,727.18
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Solution
The fourth proportional to 217,727,871.18, 300,464,329.74 and 119,942,727.18 is: 165,520,890.52
Step by Step Solution
- Step 1: Write the proportion equation
217,727,871.18 : 300,464,329.74 = 119,942,727.18 : x - Step 2: Convert to fraction form
217,727,871.18/300,464,329.74 = 119,942,727.18/x - Step 3: Cross multiply
217,727,871.18x = 300,464,329.74 × 119,942,727.18 - Step 4: Simplify right side
217,727,871.18x = 36,038,511,129,326,384 - Step 5: Solve for x
x = 36,038,511,129,326,384/217,727,871.18 - Step 6: Final answer
x = 165,520,890.52
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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.