Finding the Fourth Proportional to 53,009,422.92, 73,165,993.74 and 32,400,145.80
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Solution
The fourth proportional to 53,009,422.92, 73,165,993.74 and 32,400,145.80 is: 44,720,140.95
Step by Step Solution
- Step 1: Write the proportion equation
53,009,422.92 : 73,165,993.74 = 32,400,145.80 : x - Step 2: Convert to fraction form
53,009,422.92/73,165,993.74 = 32,400,145.80/x - Step 3: Cross multiply
53,009,422.92x = 73,165,993.74 × 32,400,145.80 - Step 4: Simplify right side
53,009,422.92x = 2,370,588,864,777,887 - Step 5: Solve for x
x = 2,370,588,864,777,887/53,009,422.92 - Step 6: Final answer
x = 44,720,140.95
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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.