Finding the Fourth Proportional to 212,445,466.88, 318,653,573.40 and 130,576,980.83
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Solution
The fourth proportional to 212,445,466.88, 318,653,573.40 and 130,576,980.83 is: 195,856,480.99
Step by Step Solution
- Step 1: Write the proportion equation
212,445,466.88 : 318,653,573.40 = 130,576,980.83 : x - Step 2: Convert to fraction form
212,445,466.88/318,653,573.40 = 130,576,980.83/x - Step 3: Cross multiply
212,445,466.88x = 318,653,573.40 × 130,576,980.83 - Step 4: Simplify right side
212,445,466.88x = 41,608,821,543,669,528 - Step 5: Solve for x
x = 41,608,821,543,669,528/212,445,466.88 - Step 6: Final answer
x = 195,856,480.99
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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.