Finding the Fourth Proportional to 151,272,555.17, 208,750,614.71 and 84,288,052.32
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Solution
The fourth proportional to 151,272,555.17, 208,750,614.71 and 84,288,052.32 is: 116,314,441.28
Step by Step Solution
- Step 1: Write the proportion equation
151,272,555.17 : 208,750,614.71 = 84,288,052.32 : x - Step 2: Convert to fraction form
151,272,555.17/208,750,614.71 = 84,288,052.32/x - Step 3: Cross multiply
151,272,555.17x = 208,750,614.71 × 84,288,052.32 - Step 4: Simplify right side
151,272,555.17x = 17,595,182,734,716,302 - Step 5: Solve for x
x = 17,595,182,734,716,302/151,272,555.17 - Step 6: Final answer
x = 116,314,441.28
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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.