Finding the Fourth Proportional to 71,569,692.90, 107,354,539.35 and 33,218,460.90
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Solution
The fourth proportional to 71,569,692.90, 107,354,539.35 and 33,218,460.90 is: 49,827,691.35
Step by Step Solution
- Step 1: Write the proportion equation
71,569,692.90 : 107,354,539.35 = 33,218,460.90 : x - Step 2: Convert to fraction form
71,569,692.90/107,354,539.35 = 33,218,460.90/x - Step 3: Cross multiply
71,569,692.90x = 107,354,539.35 × 33,218,460.90 - Step 4: Simplify right side
71,569,692.90x = 3,566,152,567,835,486 - Step 5: Solve for x
x = 3,566,152,567,835,486/71,569,692.90 - Step 6: Final answer
x = 49,827,691.35
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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.