Finding the Fourth Proportional to 151,580,447, 209,182,267.97 and 83,687,752.09
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Solution
The fourth proportional to 151,580,447, 209,182,267.97 and 83,687,752.09 is: 115,489,788.62
Step by Step Solution
- Step 1: Write the proportion equation
151,580,447 : 209,182,267.97 = 83,687,752.09 : x - Step 2: Convert to fraction form
151,580,447/209,182,267.97 = 83,687,752.09/x - Step 3: Cross multiply
151,580,447x = 209,182,267.97 × 83,687,752.09 - Step 4: Simplify right side
151,580,447x = 17,505,993,783,497,308 - Step 5: Solve for x
x = 17,505,993,783,497,308/151,580,447 - Step 6: Final answer
x = 115,489,788.62
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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.