Finding the Fourth Proportional to 236,270,202.58, 354,403,816.71 and 127,146,775.78
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Solution
The fourth proportional to 236,270,202.58, 354,403,816.71 and 127,146,775.78 is: 190,719,363.37
Step by Step Solution
- Step 1: Write the proportion equation
236,270,202.58 : 354,403,816.71 = 127,146,775.78 : x - Step 2: Convert to fraction form
236,270,202.58/354,403,816.71 = 127,146,775.78/x - Step 3: Cross multiply
236,270,202.58x = 354,403,816.71 × 127,146,775.78 - Step 4: Simplify right side
236,270,202.58x = 45,061,302,618,802,584 - Step 5: Solve for x
x = 45,061,302,618,802,584/236,270,202.58 - Step 6: Final answer
x = 190,719,363.37
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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.