Finding the Fourth Proportional to 70,589,043.54, 97,415,242.74 and 39,228,414.12
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Solution
The fourth proportional to 70,589,043.54, 97,415,242.74 and 39,228,414.12 is: 54,136,524.48
Step by Step Solution
- Step 1: Write the proportion equation
70,589,043.54 : 97,415,242.74 = 39,228,414.12 : x - Step 2: Convert to fraction form
70,589,043.54/97,415,242.74 = 39,228,414.12/x - Step 3: Cross multiply
70,589,043.54x = 97,415,242.74 × 39,228,414.12 - Step 4: Simplify right side
70,589,043.54x = 3,821,445,483,805,043 - Step 5: Solve for x
x = 3,821,445,483,805,043/70,589,043.54 - Step 6: Final answer
x = 54,136,524.48
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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.