Finding the Fourth Proportional to 121,230,372.90, 181,845,559.35 and 34,971,593.70
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Solution
The fourth proportional to 121,230,372.90, 181,845,559.35 and 34,971,593.70 is: 52,457,390.55
Step by Step Solution
- Step 1: Write the proportion equation
121,230,372.90 : 181,845,559.35 = 34,971,593.70 : x - Step 2: Convert to fraction form
121,230,372.90/181,845,559.35 = 34,971,593.70/x - Step 3: Cross multiply
121,230,372.90x = 181,845,559.35 × 34,971,593.70 - Step 4: Simplify right side
121,230,372.90x = 6,359,429,017,737,436 - Step 5: Solve for x
x = 6,359,429,017,737,436/121,230,372.90 - Step 6: Final answer
x = 52,457,390.55
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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.