Finding the Fourth Proportional to 271,128,959.91, 374,131,820.23 and 152,056,386.13
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Solution
The fourth proportional to 271,128,959.91, 374,131,820.23 and 152,056,386.13 is: 209,823,150.36
Step by Step Solution
- Step 1: Write the proportion equation
271,128,959.91 : 374,131,820.23 = 152,056,386.13 : x - Step 2: Convert to fraction form
271,128,959.91/374,131,820.23 = 152,056,386.13/x - Step 3: Cross multiply
271,128,959.91x = 374,131,820.23 × 152,056,386.13 - Step 4: Simplify right side
271,128,959.91x = 56,889,132,521,070,360 - Step 5: Solve for x
x = 56,889,132,521,070,360/271,128,959.91 - Step 6: Final answer
x = 209,823,150.36
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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.