Finding the Fourth Proportional to 165,415,271.40, 248,176,051.20 and 110,889,424.80
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Solution
The fourth proportional to 165,415,271.40, 248,176,051.20 and 110,889,424.80 is: 166,369,763.41
Step by Step Solution
- Step 1: Write the proportion equation
165,415,271.40 : 248,176,051.20 = 110,889,424.80 : x - Step 2: Convert to fraction form
165,415,271.40/248,176,051.20 = 110,889,424.80/x - Step 3: Cross multiply
165,415,271.40x = 248,176,051.20 × 110,889,424.80 - Step 4: Simplify right side
165,415,271.40x = 27,520,099,566,703,348 - Step 5: Solve for x
x = 27,520,099,566,703,348/165,415,271.40 - Step 6: Final answer
x = 166,369,763.41
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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.