Finding the Fourth Proportional to 282,917,586.36, 390,283,356.60 and 165,366,117.66
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Solution
The fourth proportional to 282,917,586.36, 390,283,356.60 and 165,366,117.66 is: 228,121,709.57
Step by Step Solution
- Step 1: Write the proportion equation
282,917,586.36 : 390,283,356.60 = 165,366,117.66 : x - Step 2: Convert to fraction form
282,917,586.36/390,283,356.60 = 165,366,117.66/x - Step 3: Cross multiply
282,917,586.36x = 390,283,356.60 × 165,366,117.66 - Step 4: Simplify right side
282,917,586.36x = 64,539,643,468,255,344 - Step 5: Solve for x
x = 64,539,643,468,255,344/282,917,586.36 - Step 6: Final answer
x = 228,121,709.57
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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.