Finding the Fourth Proportional to 122,482,272.90, 183,723,409.35 and 83,683,143.30
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Solution
The fourth proportional to 122,482,272.90, 183,723,409.35 and 83,683,143.30 is: 125,524,714.95
Step by Step Solution
- Step 1: Write the proportion equation
122,482,272.90 : 183,723,409.35 = 83,683,143.30 : x - Step 2: Convert to fraction form
122,482,272.90/183,723,409.35 = 83,683,143.30/x - Step 3: Cross multiply
122,482,272.90x = 183,723,409.35 × 83,683,143.30 - Step 4: Simplify right side
122,482,272.90x = 15,374,552,392,200,608 - Step 5: Solve for x
x = 15,374,552,392,200,608/122,482,272.90 - Step 6: Final answer
x = 125,524,714.95
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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.