Finding the Fourth Proportional to 209,932,593.84, 314,897,768.64 and 54,486,288.18
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Solution
The fourth proportional to 209,932,593.84, 314,897,768.64 and 54,486,288.18 is: 81,729,141.03
Step by Step Solution
- Step 1: Write the proportion equation
209,932,593.84 : 314,897,768.64 = 54,486,288.18 : x - Step 2: Convert to fraction form
209,932,593.84/314,897,768.64 = 54,486,288.18/x - Step 3: Cross multiply
209,932,593.84x = 314,897,768.64 × 54,486,288.18 - Step 4: Simplify right side
209,932,593.84x = 17,157,610,569,358,006 - Step 5: Solve for x
x = 17,157,610,569,358,006/209,932,593.84 - Step 6: Final answer
x = 81,729,141.03
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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.