Finding the Fourth Proportional to 216,737,565.36, 299,098,023.30 and 117,618,307.08
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Solution
The fourth proportional to 216,737,565.36, 299,098,023.30 and 117,618,307.08 is: 162,313,363.14
Step by Step Solution
- Step 1: Write the proportion equation
216,737,565.36 : 299,098,023.30 = 117,618,307.08 : x - Step 2: Convert to fraction form
216,737,565.36/299,098,023.30 = 117,618,307.08/x - Step 3: Cross multiply
216,737,565.36x = 299,098,023.30 × 117,618,307.08 - Step 4: Simplify right side
216,737,565.36x = 35,179,403,151,520,396 - Step 5: Solve for x
x = 35,179,403,151,520,396/216,737,565.36 - Step 6: Final answer
x = 162,313,363.14
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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.