Finding the Fourth Proportional to 212,593,274.48, 293,378,721 and 114,808,130.48
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Solution
The fourth proportional to 212,593,274.48, 293,378,721 and 114,808,130.48 is: 158,435,221.26
Step by Step Solution
- Step 1: Write the proportion equation
212,593,274.48 : 293,378,721 = 114,808,130.48 : x - Step 2: Convert to fraction form
212,593,274.48/293,378,721 = 114,808,130.48/x - Step 3: Cross multiply
212,593,274.48x = 293,378,721 × 114,808,130.48 - Step 4: Simplify right side
212,593,274.48x = 33,682,262,480,623,516 - Step 5: Solve for x
x = 33,682,262,480,623,516/212,593,274.48 - Step 6: Final answer
x = 158,435,221.26
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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.