Finding the Fourth Proportional to 167,655,106.80, 251,482,660.20 and 159,718,921.20
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Solution
The fourth proportional to 167,655,106.80, 251,482,660.20 and 159,718,921.20 is: 239,578,381.80
Step by Step Solution
- Step 1: Write the proportion equation
167,655,106.80 : 251,482,660.20 = 159,718,921.20 : x - Step 2: Convert to fraction form
167,655,106.80/251,482,660.20 = 159,718,921.20/x - Step 3: Cross multiply
167,655,106.80x = 251,482,660.20 × 159,718,921.20 - Step 4: Simplify right side
167,655,106.80x = 40,166,539,187,650,168 - Step 5: Solve for x
x = 40,166,539,187,650,168/167,655,106.80 - Step 6: Final answer
x = 239,578,381.80
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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.