Finding the Fourth Proportional to 57,497,612.80, 86,246,419.20 and 55,230,131.20
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Solution
The fourth proportional to 57,497,612.80, 86,246,419.20 and 55,230,131.20 is: 82,845,196.80
Step by Step Solution
- Step 1: Write the proportion equation
57,497,612.80 : 86,246,419.20 = 55,230,131.20 : x - Step 2: Convert to fraction form
57,497,612.80/86,246,419.20 = 55,230,131.20/x - Step 3: Cross multiply
57,497,612.80x = 86,246,419.20 × 55,230,131.20 - Step 4: Simplify right side
57,497,612.80x = 4,763,401,047,946,199 - Step 5: Solve for x
x = 4,763,401,047,946,199/57,497,612.80 - Step 6: Final answer
x = 82,845,196.80
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.