Finding the Fourth Proportional to 203,868,858.49, 305,820,902.90 and 56,316,366.79
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Solution
The fourth proportional to 203,868,858.49, 305,820,902.90 and 56,316,366.79 is: 84,479,416.16
Step by Step Solution
- Step 1: Write the proportion equation
203,868,858.49 : 305,820,902.90 = 56,316,366.79 : x - Step 2: Convert to fraction form
203,868,858.49/305,820,902.90 = 56,316,366.79/x - Step 3: Cross multiply
203,868,858.49x = 305,820,902.90 × 56,316,366.79 - Step 4: Simplify right side
203,868,858.49x = 17,222,722,139,141,612 - Step 5: Solve for x
x = 17,222,722,139,141,612/203,868,858.49 - Step 6: Final answer
x = 84,479,416.16
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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.