Finding the Fourth Proportional to 199,360,062.10, 299,173,840.35 and 69,967,422.10
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Solution
The fourth proportional to 199,360,062.10, 299,173,840.35 and 69,967,422.10 is: 104,998,073.08
Step by Step Solution
- Step 1: Write the proportion equation
199,360,062.10 : 299,173,840.35 = 69,967,422.10 : x - Step 2: Convert to fraction form
199,360,062.10/299,173,840.35 = 69,967,422.10/x - Step 3: Cross multiply
199,360,062.10x = 299,173,840.35 × 69,967,422.10 - Step 4: Simplify right side
199,360,062.10x = 20,932,422,369,046,460 - Step 5: Solve for x
x = 20,932,422,369,046,460/199,360,062.10 - Step 6: Final answer
x = 104,998,073.08
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.