Finding the Fourth Proportional to 53,718,656.32, 74,131,840.20 and 29,272,370.32
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Solution
The fourth proportional to 53,718,656.32, 74,131,840.20 and 29,272,370.32 is: 40,395,922.52
Step by Step Solution
- Step 1: Write the proportion equation
53,718,656.32 : 74,131,840.20 = 29,272,370.32 : x - Step 2: Convert to fraction form
53,718,656.32/74,131,840.20 = 29,272,370.32/x - Step 3: Cross multiply
53,718,656.32x = 74,131,840.20 × 29,272,370.32 - Step 4: Simplify right side
53,718,656.32x = 2,170,014,678,837,463 - Step 5: Solve for x
x = 2,170,014,678,837,463/53,718,656.32 - Step 6: Final answer
x = 40,395,922.52
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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.