Finding the Fourth Proportional to 122,316,519.35, 168,796,821.12 and 67,312,375.85
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Solution
The fourth proportional to 122,316,519.35, 168,796,821.12 and 67,312,375.85 is: 92,891,092.11
Step by Step Solution
- Step 1: Write the proportion equation
122,316,519.35 : 168,796,821.12 = 67,312,375.85 : x - Step 2: Convert to fraction form
122,316,519.35/168,796,821.12 = 67,312,375.85/x - Step 3: Cross multiply
122,316,519.35x = 168,796,821.12 × 67,312,375.85 - Step 4: Simplify right side
122,316,519.35x = 11,362,115,065,514,658 - Step 5: Solve for x
x = 11,362,115,065,514,658/122,316,519.35 - Step 6: Final answer
x = 92,891,092.11
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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.