Finding the Fourth Proportional to 53,655,201.65, 74,060,235.13 and 31,334,208.66
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Solution
The fourth proportional to 53,655,201.65, 74,060,235.13 and 31,334,208.66 is: 43,250,585.02
Step by Step Solution
- Step 1: Write the proportion equation
53,655,201.65 : 74,060,235.13 = 31,334,208.66 : x - Step 2: Convert to fraction form
53,655,201.65/74,060,235.13 = 31,334,208.66/x - Step 3: Cross multiply
53,655,201.65x = 74,060,235.13 × 31,334,208.66 - Step 4: Simplify right side
53,655,201.65x = 2,320,618,860,733,524 - Step 5: Solve for x
x = 2,320,618,860,733,524/53,655,201.65 - Step 6: Final answer
x = 43,250,585.02
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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.