Finding the Fourth Proportional to 87,715,701.18, 121,048,625.34 and 48,558,132
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Solution
The fourth proportional to 87,715,701.18, 121,048,625.34 and 48,558,132 is: 67,010,752.34
Step by Step Solution
- Step 1: Write the proportion equation
87,715,701.18 : 121,048,625.34 = 48,558,132 : x - Step 2: Convert to fraction form
87,715,701.18/121,048,625.34 = 48,558,132/x - Step 3: Cross multiply
87,715,701.18x = 121,048,625.34 × 48,558,132 - Step 4: Simplify right side
87,715,701.18x = 5,877,895,127,678,265 - Step 5: Solve for x
x = 5,877,895,127,678,265/87,715,701.18 - Step 6: Final answer
x = 67,010,752.34
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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.