Finding the Fourth Proportional to 282,674,716.17, 390,085,514.36 and 157,224,213.53
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Solution
The fourth proportional to 282,674,716.17, 390,085,514.36 and 157,224,213.53 is: 216,966,303.31
Step by Step Solution
- Step 1: Write the proportion equation
282,674,716.17 : 390,085,514.36 = 157,224,213.53 : x - Step 2: Convert to fraction form
282,674,716.17/390,085,514.36 = 157,224,213.53/x - Step 3: Cross multiply
282,674,716.17x = 390,085,514.36 × 157,224,213.53 - Step 4: Simplify right side
282,674,716.17x = 61,330,888,204,899,136 - Step 5: Solve for x
x = 61,330,888,204,899,136/282,674,716.17 - Step 6: Final answer
x = 216,966,303.31
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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.