Finding the Fourth Proportional to 237,807,761.40, 356,711,642.10 and 201,528,055.80
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Solution
The fourth proportional to 237,807,761.40, 356,711,642.10 and 201,528,055.80 is: 302,292,083.70
Step by Step Solution
- Step 1: Write the proportion equation
237,807,761.40 : 356,711,642.10 = 201,528,055.80 : x - Step 2: Convert to fraction form
237,807,761.40/356,711,642.10 = 201,528,055.80/x - Step 3: Cross multiply
237,807,761.40x = 356,711,642.10 × 201,528,055.80 - Step 4: Simplify right side
237,807,761.40x = 71,887,403,713,638,440 - Step 5: Solve for x
x = 71,887,403,713,638,440/237,807,761.40 - Step 6: Final answer
x = 302,292,083.70
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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.