Finding the Fourth Proportional to 270,988,718.25, 373,964,431.16 and 153,514,048.49
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Solution
The fourth proportional to 270,988,718.25, 373,964,431.16 and 153,514,048.49 is: 211,849,386.89
Step by Step Solution
- Step 1: Write the proportion equation
270,988,718.25 : 373,964,431.16 = 153,514,048.49 : x - Step 2: Convert to fraction form
270,988,718.25/373,964,431.16 = 153,514,048.49/x - Step 3: Cross multiply
270,988,718.25x = 373,964,431.16 × 153,514,048.49 - Step 4: Simplify right side
270,988,718.25x = 57,408,793,815,994,112 - Step 5: Solve for x
x = 57,408,793,815,994,112/270,988,718.25 - Step 6: Final answer
x = 211,849,386.89
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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.