Finding the Fourth Proportional to 196,991,030.90, 295,486,546.35 and 60,658,699.70
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Solution
The fourth proportional to 196,991,030.90, 295,486,546.35 and 60,658,699.70 is: 90,988,049.55
Step by Step Solution
- Step 1: Write the proportion equation
196,991,030.90 : 295,486,546.35 = 60,658,699.70 : x - Step 2: Convert to fraction form
196,991,030.90/295,486,546.35 = 60,658,699.70/x - Step 3: Cross multiply
196,991,030.90x = 295,486,546.35 × 60,658,699.70 - Step 4: Simplify right side
196,991,030.90x = 17,923,829,680,434,784 - Step 5: Solve for x
x = 17,923,829,680,434,784/196,991,030.90 - Step 6: Final answer
x = 90,988,049.55
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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.