Finding the Fourth Proportional to 74,745,220.98, 103,148,690.15 and 41,706,862.61
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Solution
The fourth proportional to 74,745,220.98, 103,148,690.15 and 41,706,862.61 is: 57,555,629.54
Step by Step Solution
- Step 1: Write the proportion equation
74,745,220.98 : 103,148,690.15 = 41,706,862.61 : x - Step 2: Convert to fraction form
74,745,220.98/103,148,690.15 = 41,706,862.61/x - Step 3: Cross multiply
74,745,220.98x = 103,148,690.15 × 41,706,862.61 - Step 4: Simplify right side
74,745,220.98x = 4,302,008,248,536,847 - Step 5: Solve for x
x = 4,302,008,248,536,847/74,745,220.98 - Step 6: Final answer
x = 57,555,629.54
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.