Finding the Fourth Proportional to 168,176,567.80, 252,264,851.70 and 91,649,063.80
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Solution
The fourth proportional to 168,176,567.80, 252,264,851.70 and 91,649,063.80 is: 137,473,595.70
Step by Step Solution
- Step 1: Write the proportion equation
168,176,567.80 : 252,264,851.70 = 91,649,063.80 : x - Step 2: Convert to fraction form
168,176,567.80/252,264,851.70 = 91,649,063.80/x - Step 3: Cross multiply
168,176,567.80x = 252,264,851.70 × 91,649,063.80 - Step 4: Simplify right side
168,176,567.80x = 23,119,837,487,950,836 - Step 5: Solve for x
x = 23,119,837,487,950,836/168,176,567.80 - Step 6: Final answer
x = 137,473,595.70
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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.