Finding the Fourth Proportional to 151,571,386.33, 209,171,237.81 and 88,892,691.08
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Solution
The fourth proportional to 151,571,386.33, 209,171,237.81 and 88,892,691.08 is: 122,673,511.63
Step by Step Solution
- Step 1: Write the proportion equation
151,571,386.33 : 209,171,237.81 = 88,892,691.08 : x - Step 2: Convert to fraction form
151,571,386.33/209,171,237.81 = 88,892,691.08/x - Step 3: Cross multiply
151,571,386.33x = 209,171,237.81 × 88,892,691.08 - Step 4: Simplify right side
151,571,386.33x = 18,593,794,223,975,228 - Step 5: Solve for x
x = 18,593,794,223,975,228/151,571,386.33 - Step 6: Final answer
x = 122,673,511.63
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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.