Finding the Fourth Proportional to 74,745,221.98, 103,148,691.53 and 41,706,863.61
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Solution
The fourth proportional to 74,745,221.98, 103,148,691.53 and 41,706,863.61 is: 57,555,630.92
Step by Step Solution
- Step 1: Write the proportion equation
74,745,221.98 : 103,148,691.53 = 41,706,863.61 : x - Step 2: Convert to fraction form
74,745,221.98/103,148,691.53 = 41,706,863.61/x - Step 3: Cross multiply
74,745,221.98x = 103,148,691.53 × 41,706,863.61 - Step 4: Simplify right side
74,745,221.98x = 4,302,008,409,191,672 - Step 5: Solve for x
x = 4,302,008,409,191,672/74,745,221.98 - Step 6: Final answer
x = 57,555,630.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.