Finding the Fourth Proportional to 47,269,207.08, 65,285,314.12 and 31,772,387.52
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Solution
The fourth proportional to 47,269,207.08, 65,285,314.12 and 31,772,387.52 is: 43,882,062.50
Step by Step Solution
- Step 1: Write the proportion equation
47,269,207.08 : 65,285,314.12 = 31,772,387.52 : x - Step 2: Convert to fraction form
47,269,207.08/65,285,314.12 = 31,772,387.52/x - Step 3: Cross multiply
47,269,207.08x = 65,285,314.12 × 31,772,387.52 - Step 4: Simplify right side
47,269,207.08x = 2,074,270,299,585,567.75 - Step 5: Solve for x
x = 2,074,270,299,585,567.75/47,269,207.08 - Step 6: Final answer
x = 43,882,062.50
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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.