Finding the Fourth Proportional to 55,334,633.48, 76,368,526.86 and 32,129,760.36
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Solution
The fourth proportional to 55,334,633.48, 76,368,526.86 and 32,129,760.36 is: 44,342,978.58
Step by Step Solution
- Step 1: Write the proportion equation
55,334,633.48 : 76,368,526.86 = 32,129,760.36 : x - Step 2: Convert to fraction form
55,334,633.48/76,368,526.86 = 32,129,760.36/x - Step 3: Cross multiply
55,334,633.48x = 76,368,526.86 × 32,129,760.36 - Step 4: Simplify right side
55,334,633.48x = 2,453,702,467,058,023 - Step 5: Solve for x
x = 2,453,702,467,058,023/55,334,633.48 - Step 6: Final answer
x = 44,342,978.58
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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.