Finding the Fourth Proportional to 70,766,338.12, 97,687,678.82 and 47,574,916
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Solution
The fourth proportional to 70,766,338.12, 97,687,678.82 and 47,574,916 is: 65,673,641.42
Step by Step Solution
- Step 1: Write the proportion equation
70,766,338.12 : 97,687,678.82 = 47,574,916 : x - Step 2: Convert to fraction form
70,766,338.12/97,687,678.82 = 47,574,916/x - Step 3: Cross multiply
70,766,338.12x = 97,687,678.82 × 47,574,916 - Step 4: Simplify right side
70,766,338.12x = 4,647,483,114,096,479 - Step 5: Solve for x
x = 4,647,483,114,096,479/70,766,338.12 - Step 6: Final answer
x = 65,673,641.42
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.