Finding the Fourth Proportional to 70,633,649.05, 97,482,508.02 and 39,274,824.67
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Solution
The fourth proportional to 70,633,649.05, 97,482,508.02 and 39,274,824.67 is: 54,203,746.55
Step by Step Solution
- Step 1: Write the proportion equation
70,633,649.05 : 97,482,508.02 = 39,274,824.67 : x - Step 2: Convert to fraction form
70,633,649.05/97,482,508.02 = 39,274,824.67/x - Step 3: Cross multiply
70,633,649.05x = 97,482,508.02 × 39,274,824.67 - Step 4: Simplify right side
70,633,649.05x = 3,828,608,410,877,369 - Step 5: Solve for x
x = 3,828,608,410,877,369/70,633,649.05 - Step 6: Final answer
x = 54,203,746.55
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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.