Finding the Fourth Proportional to 112,210,998.30, 168,316,497.45 and 48,385,590.30
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Solution
The fourth proportional to 112,210,998.30, 168,316,497.45 and 48,385,590.30 is: 72,578,385.45
Step by Step Solution
- Step 1: Write the proportion equation
112,210,998.30 : 168,316,497.45 = 48,385,590.30 : x - Step 2: Convert to fraction form
112,210,998.30/168,316,497.45 = 48,385,590.30/x - Step 3: Cross multiply
112,210,998.30x = 168,316,497.45 × 48,385,590.30 - Step 4: Simplify right side
112,210,998.30x = 8,144,093,086,346,694 - Step 5: Solve for x
x = 8,144,093,086,346,694/112,210,998.30 - Step 6: Final answer
x = 72,578,385.45
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1.5x scale
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.