Finding the Fourth Proportional to 183,445,697.20, 275,168,545.80 and 74,270,657.20
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Solution
The fourth proportional to 183,445,697.20, 275,168,545.80 and 74,270,657.20 is: 111,405,985.80
Step by Step Solution
- Step 1: Write the proportion equation
183,445,697.20 : 275,168,545.80 = 74,270,657.20 : x - Step 2: Convert to fraction form
183,445,697.20/275,168,545.80 = 74,270,657.20/x - Step 3: Cross multiply
183,445,697.20x = 275,168,545.80 × 74,270,657.20 - Step 4: Simplify right side
183,445,697.20x = 20,436,948,737,334,300 - Step 5: Solve for x
x = 20,436,948,737,334,300/183,445,697.20 - Step 6: Final answer
x = 111,405,985.80
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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.