Finding the Fourth Proportional to 271,930,015.08, 408,015,594.36 and 142,506,854.28
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Solution
The fourth proportional to 271,930,015.08, 408,015,594.36 and 142,506,854.28 is: 213,823,467.90
Step by Step Solution
- Step 1: Write the proportion equation
271,930,015.08 : 408,015,594.36 = 142,506,854.28 : x - Step 2: Convert to fraction form
271,930,015.08/408,015,594.36 = 142,506,854.28/x - Step 3: Cross multiply
271,930,015.08x = 408,015,594.36 × 142,506,854.28 - Step 4: Simplify right side
271,930,015.08x = 58,145,018,849,428,112 - Step 5: Solve for x
x = 58,145,018,849,428,112/271,930,015.08 - Step 6: Final answer
x = 213,823,467.90
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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.