Finding the Fourth Proportional to 79,880,308.63, 119,894,110.14 and 40,516,190.80
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Solution
The fourth proportional to 79,880,308.63, 119,894,110.14 and 40,516,190.80 is: 60,811,640.89
Step by Step Solution
- Step 1: Write the proportion equation
79,880,308.63 : 119,894,110.14 = 40,516,190.80 : x - Step 2: Convert to fraction form
79,880,308.63/119,894,110.14 = 40,516,190.80/x - Step 3: Cross multiply
79,880,308.63x = 119,894,110.14 × 40,516,190.80 - Step 4: Simplify right side
79,880,308.63x = 4,857,652,642,228,454 - Step 5: Solve for x
x = 4,857,652,642,228,454/79,880,308.63 - Step 6: Final answer
x = 60,811,640.89
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.