Finding the Fourth Proportional to 235,571,702.68, 353,518,962.78 and 82,217,759.08
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Solution
The fourth proportional to 235,571,702.68, 353,518,962.78 and 82,217,759.08 is: 123,382,972.49
Step by Step Solution
- Step 1: Write the proportion equation
235,571,702.68 : 353,518,962.78 = 82,217,759.08 : x - Step 2: Convert to fraction form
235,571,702.68/353,518,962.78 = 82,217,759.08/x - Step 3: Cross multiply
235,571,702.68x = 353,518,962.78 × 82,217,759.08 - Step 4: Simplify right side
235,571,702.68x = 29,065,536,912,057,524 - Step 5: Solve for x
x = 29,065,536,912,057,524/235,571,702.68 - Step 6: Final answer
x = 123,382,972.49
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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.