Finding the Fourth Proportional to 212,435,702.88, 293,170,317.50 and 118,349,796.56
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Solution
The fourth proportional to 212,435,702.88, 293,170,317.50 and 118,349,796.56 is: 163,327,759.70
Step by Step Solution
- Step 1: Write the proportion equation
212,435,702.88 : 293,170,317.50 = 118,349,796.56 : x - Step 2: Convert to fraction form
212,435,702.88/293,170,317.50 = 118,349,796.56/x - Step 3: Cross multiply
212,435,702.88x = 293,170,317.50 × 118,349,796.56 - Step 4: Simplify right side
212,435,702.88x = 34,696,647,432,385,632 - Step 5: Solve for x
x = 34,696,647,432,385,632/212,435,702.88 - Step 6: Final answer
x = 163,327,759.70
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.