Finding the Fourth Proportional to 308,195,935.24, 425,299,104.58 and 168,963,642.12
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Solution
The fourth proportional to 308,195,935.24, 425,299,104.58 and 168,963,642.12 is: 233,163,638.72
Step by Step Solution
- Step 1: Write the proportion equation
308,195,935.24 : 425,299,104.58 = 168,963,642.12 : x - Step 2: Convert to fraction form
308,195,935.24/425,299,104.58 = 168,963,642.12/x - Step 3: Cross multiply
308,195,935.24x = 425,299,104.58 × 168,963,642.12 - Step 4: Simplify right side
308,195,935.24x = 71,860,085,700,211,576 - Step 5: Solve for x
x = 71,860,085,700,211,576/308,195,935.24 - Step 6: Final answer
x = 233,163,638.72
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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.