Finding the Fourth Proportional to 133,068,233.70, 199,602,350.55 and 75,672,605.70
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Solution
The fourth proportional to 133,068,233.70, 199,602,350.55 and 75,672,605.70 is: 113,508,908.55
Step by Step Solution
- Step 1: Write the proportion equation
133,068,233.70 : 199,602,350.55 = 75,672,605.70 : x - Step 2: Convert to fraction form
133,068,233.70/199,602,350.55 = 75,672,605.70/x - Step 3: Cross multiply
133,068,233.70x = 199,602,350.55 × 75,672,605.70 - Step 4: Simplify right side
133,068,233.70x = 15,104,429,969,963,330 - Step 5: Solve for x
x = 15,104,429,969,963,330/133,068,233.70 - Step 6: Final answer
x = 113,508,908.55
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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.