Finding the Fourth Proportional to 165,888,128.90, 248,832,193.35 and 50,871,757.70
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Solution
The fourth proportional to 165,888,128.90, 248,832,193.35 and 50,871,757.70 is: 76,307,636.55
Step by Step Solution
- Step 1: Write the proportion equation
165,888,128.90 : 248,832,193.35 = 50,871,757.70 : x - Step 2: Convert to fraction form
165,888,128.90/248,832,193.35 = 50,871,757.70/x - Step 3: Cross multiply
165,888,128.90x = 248,832,193.35 × 50,871,757.70 - Step 4: Simplify right side
165,888,128.90x = 12,658,531,048,060,752 - Step 5: Solve for x
x = 12,658,531,048,060,752/165,888,128.90 - Step 6: Final answer
x = 76,307,636.55
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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.