Finding the Fourth Proportional to 87,715,702.48, 121,048,626.72 and 48,558,133.12
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Solution
The fourth proportional to 87,715,702.48, 121,048,626.72 and 48,558,133.12 is: 67,010,753.65
Step by Step Solution
- Step 1: Write the proportion equation
87,715,702.48 : 121,048,626.72 = 48,558,133.12 : x - Step 2: Convert to fraction form
87,715,702.48/121,048,626.72 = 48,558,133.12/x - Step 3: Cross multiply
87,715,702.48x = 121,048,626.72 × 48,558,133.12 - Step 4: Simplify right side
87,715,702.48x = 5,877,895,330,262,949 - Step 5: Solve for x
x = 5,877,895,330,262,949/87,715,702.48 - Step 6: Final answer
x = 67,010,753.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.