Finding the Fourth Proportional to 216,831,023.18, 325,246,525.65 and 63,477,079.01
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Solution
The fourth proportional to 216,831,023.18, 325,246,525.65 and 63,477,079.01 is: 95,215,615.84
Step by Step Solution
- Step 1: Write the proportion equation
216,831,023.18 : 325,246,525.65 = 63,477,079.01 : x - Step 2: Convert to fraction form
216,831,023.18/325,246,525.65 = 63,477,079.01/x - Step 3: Cross multiply
216,831,023.18x = 325,246,525.65 × 63,477,079.01 - Step 4: Simplify right side
216,831,023.18x = 20,645,699,404,786,808 - Step 5: Solve for x
x = 20,645,699,404,786,808/216,831,023.18 - Step 6: Final answer
x = 95,215,615.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.