Finding the Fourth Proportional to 165,442,681.20, 248,164,021.80 and 44,274,133.20
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Solution
The fourth proportional to 165,442,681.20, 248,164,021.80 and 44,274,133.20 is: 66,411,199.80
Step by Step Solution
- Step 1: Write the proportion equation
165,442,681.20 : 248,164,021.80 = 44,274,133.20 : x - Step 2: Convert to fraction form
165,442,681.20/248,164,021.80 = 44,274,133.20/x - Step 3: Cross multiply
165,442,681.20x = 248,164,021.80 × 44,274,133.20 - Step 4: Simplify right side
165,442,681.20x = 10,987,246,956,620,906 - Step 5: Solve for x
x = 10,987,246,956,620,906/165,442,681.20 - Step 6: Final answer
x = 66,411,199.80
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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.