Finding the Fourth Proportional to 212,321,402.61, 318,334,039.68 and 94,081,854.84
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Solution
The fourth proportional to 212,321,402.61, 318,334,039.68 and 94,081,854.84 is: 141,057,173.43
Step by Step Solution
- Step 1: Write the proportion equation
212,321,402.61 : 318,334,039.68 = 94,081,854.84 : x - Step 2: Convert to fraction form
212,321,402.61/318,334,039.68 = 94,081,854.84/x - Step 3: Cross multiply
212,321,402.61x = 318,334,039.68 × 94,081,854.84 - Step 4: Simplify right side
212,321,402.61x = 29,949,456,911,804,560 - Step 5: Solve for x
x = 29,949,456,911,804,560/212,321,402.61 - Step 6: Final answer
x = 141,057,173.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.