Finding the Fourth Proportional to 238,691,248.85, 358,036,963.49 and 107,380,142.08
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Solution
The fourth proportional to 238,691,248.85, 358,036,963.49 and 107,380,142.08 is: 161,070,253.70
Step by Step Solution
- Step 1: Write the proportion equation
238,691,248.85 : 358,036,963.49 = 107,380,142.08 : x - Step 2: Convert to fraction form
238,691,248.85/358,036,963.49 = 107,380,142.08/x - Step 3: Cross multiply
238,691,248.85x = 358,036,963.49 × 107,380,142.08 - Step 4: Simplify right side
238,691,248.85x = 38,446,060,008,821,328 - Step 5: Solve for x
x = 38,446,060,008,821,328/238,691,248.85 - Step 6: Final answer
x = 161,070,253.70
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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.