Finding the Fourth Proportional to 217,266,615.09, 299,835,813.33 and 124,465,059.09
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Solution
The fourth proportional to 217,266,615.09, 299,835,813.33 and 124,465,059.09 is: 171,766,298.32
Step by Step Solution
- Step 1: Write the proportion equation
217,266,615.09 : 299,835,813.33 = 124,465,059.09 : x - Step 2: Convert to fraction form
217,266,615.09/299,835,813.33 = 124,465,059.09/x - Step 3: Cross multiply
217,266,615.09x = 299,835,813.33 × 124,465,059.09 - Step 4: Simplify right side
217,266,615.09x = 37,319,082,223,416,656 - Step 5: Solve for x
x = 37,319,082,223,416,656/217,266,615.09 - Step 6: Final answer
x = 171,766,298.32
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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.