Finding the Fourth Proportional to 342,546,859.99, 472,715,134.55 and 185,913,969.13
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Solution
The fourth proportional to 342,546,859.99, 472,715,134.55 and 185,913,969.13 is: 256,561,531.27
Step by Step Solution
- Step 1: Write the proportion equation
342,546,859.99 : 472,715,134.55 = 185,913,969.13 : x - Step 2: Convert to fraction form
342,546,859.99/472,715,134.55 = 185,913,969.13/x - Step 3: Cross multiply
342,546,859.99x = 472,715,134.55 × 185,913,969.13 - Step 4: Simplify right side
342,546,859.99x = 87,884,346,932,012,496 - Step 5: Solve for x
x = 87,884,346,932,012,496/342,546,859.99 - Step 6: Final answer
x = 256,561,531.27
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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.