Finding the Fourth Proportional to 122,485,514.90, 183,728,272.35 and 61,263,511.70
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Solution
The fourth proportional to 122,485,514.90, 183,728,272.35 and 61,263,511.70 is: 91,895,267.55
Step by Step Solution
- Step 1: Write the proportion equation
122,485,514.90 : 183,728,272.35 = 61,263,511.70 : x - Step 2: Convert to fraction form
122,485,514.90/183,728,272.35 = 61,263,511.70/x - Step 3: Cross multiply
122,485,514.90x = 183,728,272.35 × 61,263,511.70 - Step 4: Simplify right side
122,485,514.90x = 11,255,839,162,735,012 - Step 5: Solve for x
x = 11,255,839,162,735,012/122,485,514.90 - Step 6: Final answer
x = 91,895,267.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.