Finding the Fourth Proportional to 81,461,284.52, 112,415,782.28 and 44,291,564.28
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Solution
The fourth proportional to 81,461,284.52, 112,415,782.28 and 44,291,564.28 is: 61,121,928.98
Step by Step Solution
- Step 1: Write the proportion equation
81,461,284.52 : 112,415,782.28 = 44,291,564.28 : x - Step 2: Convert to fraction form
81,461,284.52/112,415,782.28 = 44,291,564.28/x - Step 3: Cross multiply
81,461,284.52x = 112,415,782.28 × 44,291,564.28 - Step 4: Simplify right side
81,461,284.52x = 4,979,070,846,719,648 - Step 5: Solve for x
x = 4,979,070,846,719,648/81,461,284.52 - Step 6: Final answer
x = 61,121,928.98
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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.