Finding the Fourth Proportional to 160,361,826.74, 221,299,322.70 and 87,022,968.74
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Solution
The fourth proportional to 160,361,826.74, 221,299,322.70 and 87,022,968.74 is: 120,091,697.84
Step by Step Solution
- Step 1: Write the proportion equation
160,361,826.74 : 221,299,322.70 = 87,022,968.74 : x - Step 2: Convert to fraction form
160,361,826.74/221,299,322.70 = 87,022,968.74/x - Step 3: Cross multiply
160,361,826.74x = 221,299,322.70 × 87,022,968.74 - Step 4: Simplify right side
160,361,826.74x = 19,258,124,041,554,984 - Step 5: Solve for x
x = 19,258,124,041,554,984/160,361,826.74 - Step 6: Final answer
x = 120,091,697.84
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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.