Finding the Fourth Proportional to 122,326,757.55, 183,490,136.33 and 67,907,199.15
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Solution
The fourth proportional to 122,326,757.55, 183,490,136.33 and 67,907,199.15 is: 101,860,798.73
Step by Step Solution
- Step 1: Write the proportion equation
122,326,757.55 : 183,490,136.33 = 67,907,199.15 : x - Step 2: Convert to fraction form
122,326,757.55/183,490,136.33 = 67,907,199.15/x - Step 3: Cross multiply
122,326,757.55x = 183,490,136.33 × 67,907,199.15 - Step 4: Simplify right side
122,326,757.55x = 12,460,301,229,482,424 - Step 5: Solve for x
x = 12,460,301,229,482,424/122,326,757.55 - Step 6: Final answer
x = 101,860,798.73
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1.5x scale
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.