Finding the Fourth Proportional to 308,195,934.24, 425,299,103.20 and 168,963,641.12
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Solution
The fourth proportional to 308,195,934.24, 425,299,103.20 and 168,963,641.12 is: 233,163,637.34
Step by Step Solution
- Step 1: Write the proportion equation
308,195,934.24 : 425,299,103.20 = 168,963,641.12 : x - Step 2: Convert to fraction form
308,195,934.24/425,299,103.20 = 168,963,641.12/x - Step 3: Cross multiply
308,195,934.24x = 425,299,103.20 × 168,963,641.12 - Step 4: Simplify right side
308,195,934.24x = 71,860,085,041,742,640 - Step 5: Solve for x
x = 71,860,085,041,742,640/308,195,934.24 - Step 6: Final answer
x = 233,163,637.34
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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.