Finding the Fourth Proportional to 165,668,467.46, 228,623,175.64 and 91,327,394.84
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Solution
The fourth proportional to 165,668,467.46, 228,623,175.64 and 91,327,394.84 is: 126,032,185.55
Step by Step Solution
- Step 1: Write the proportion equation
165,668,467.46 : 228,623,175.64 = 91,327,394.84 : x - Step 2: Convert to fraction form
165,668,467.46/228,623,175.64 = 91,327,394.84/x - Step 3: Cross multiply
165,668,467.46x = 228,623,175.64 × 91,327,394.84 - Step 4: Simplify right side
165,668,467.46x = 20,879,559,031,248,948 - Step 5: Solve for x
x = 20,879,559,031,248,948/165,668,467.46 - Step 6: Final answer
x = 126,032,185.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.