Finding the Fourth Proportional to 229,173,442.21, 316,259,387.04 and 124,752,295.18
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Solution
The fourth proportional to 229,173,442.21, 316,259,387.04 and 124,752,295.18 is: 172,158,187.38
Step by Step Solution
- Step 1: Write the proportion equation
229,173,442.21 : 316,259,387.04 = 124,752,295.18 : x - Step 2: Convert to fraction form
229,173,442.21/316,259,387.04 = 124,752,295.18/x - Step 3: Cross multiply
229,173,442.21x = 316,259,387.04 × 124,752,295.18 - Step 4: Simplify right side
229,173,442.21x = 39,454,084,405,459,952 - Step 5: Solve for x
x = 39,454,084,405,459,952/229,173,442.21 - Step 6: Final answer
x = 172,158,187.38
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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.