Finding the Fourth Proportional to 222,264,887.12, 306,725,544.24 and 124,479,743.12
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Solution
The fourth proportional to 222,264,887.12, 306,725,544.24 and 124,479,743.12 is: 171,782,045.51
Step by Step Solution
- Step 1: Write the proportion equation
222,264,887.12 : 306,725,544.24 = 124,479,743.12 : x - Step 2: Convert to fraction form
222,264,887.12/306,725,544.24 = 124,479,743.12/x - Step 3: Cross multiply
222,264,887.12x = 306,725,544.24 × 124,479,743.12 - Step 4: Simplify right side
222,264,887.12x = 38,181,116,955,337,400 - Step 5: Solve for x
x = 38,181,116,955,337,400/222,264,887.12 - Step 6: Final answer
x = 171,782,045.51
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1.5x scale
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.