Finding the Fourth Proportional to 371,823,134.22, 513,105,622.98 and 202,271,750.46
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Solution
The fourth proportional to 371,823,134.22, 513,105,622.98 and 202,271,750.46 is: 279,129,411.22
Step by Step Solution
- Step 1: Write the proportion equation
371,823,134.22 : 513,105,622.98 = 202,271,750.46 : x - Step 2: Convert to fraction form
371,823,134.22/513,105,622.98 = 202,271,750.46/x - Step 3: Cross multiply
371,823,134.22x = 513,105,622.98 × 202,271,750.46 - Step 4: Simplify right side
371,823,134.22x = 103,786,772,531,033,408 - Step 5: Solve for x
x = 103,786,772,531,033,408/371,823,134.22 - Step 6: Final answer
x = 279,129,411.22
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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.