Finding the Fourth Proportional to 198,818,069.96, 298,244,343.54 and 60,674,781.08
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Solution
The fourth proportional to 198,818,069.96, 298,244,343.54 and 60,674,781.08 is: 91,017,432.45
Step by Step Solution
- Step 1: Write the proportion equation
198,818,069.96 : 298,244,343.54 = 60,674,781.08 : x - Step 2: Convert to fraction form
198,818,069.96/298,244,343.54 = 60,674,781.08/x - Step 3: Cross multiply
198,818,069.96x = 298,244,343.54 × 60,674,781.08 - Step 4: Simplify right side
198,818,069.96x = 18,095,910,252,637,812 - Step 5: Solve for x
x = 18,095,910,252,637,812/198,818,069.96 - Step 6: Final answer
x = 91,017,432.45
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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.