Finding the Fourth Proportional to 159,476,021.20, 239,326,006.20 and 68,664,782.80
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Solution
The fourth proportional to 159,476,021.20, 239,326,006.20 and 68,664,782.80 is: 103,045,386.45
Step by Step Solution
- Step 1: Write the proportion equation
159,476,021.20 : 239,326,006.20 = 68,664,782.80 : x - Step 2: Convert to fraction form
159,476,021.20/239,326,006.20 = 68,664,782.80/x - Step 3: Cross multiply
159,476,021.20x = 239,326,006.20 × 68,664,782.80 - Step 4: Simplify right side
159,476,021.20x = 16,433,268,234,114,452 - Step 5: Solve for x
x = 16,433,268,234,114,452/159,476,021.20 - Step 6: Final answer
x = 103,045,386.45
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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.