Finding the Fourth Proportional to 218,222,398.96, 301,142,641.88 and 119,103,856.99
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Solution
The fourth proportional to 218,222,398.96, 301,142,641.88 and 119,103,856.99 is: 164,360,992.84
Step by Step Solution
- Step 1: Write the proportion equation
218,222,398.96 : 301,142,641.88 = 119,103,856.99 : x - Step 2: Convert to fraction form
218,222,398.96/301,142,641.88 = 119,103,856.99/x - Step 3: Cross multiply
218,222,398.96x = 301,142,641.88 × 119,103,856.99 - Step 4: Simplify right side
218,222,398.96x = 35,867,250,152,066,304 - Step 5: Solve for x
x = 35,867,250,152,066,304/218,222,398.96 - Step 6: Final answer
x = 164,360,992.84
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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.