Finding the Fourth Proportional to 270,988,717.97, 373,964,430.76 and 153,514,048.21
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Solution
The fourth proportional to 270,988,717.97, 373,964,430.76 and 153,514,048.21 is: 211,849,386.50
Step by Step Solution
- Step 1: Write the proportion equation
270,988,717.97 : 373,964,430.76 = 153,514,048.21 : x - Step 2: Convert to fraction form
270,988,717.97/373,964,430.76 = 153,514,048.21/x - Step 3: Cross multiply
270,988,717.97x = 373,964,430.76 × 153,514,048.21 - Step 4: Simplify right side
270,988,717.97x = 57,408,793,649,878,456 - Step 5: Solve for x
x = 57,408,793,649,878,456/270,988,717.97 - Step 6: Final answer
x = 211,849,386.50
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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.