Finding the Fourth Proportional to 161,676,749.40, 242,515,124.10 and 46,665,043.80
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Solution
The fourth proportional to 161,676,749.40, 242,515,124.10 and 46,665,043.80 is: 69,997,565.70
Step by Step Solution
- Step 1: Write the proportion equation
161,676,749.40 : 242,515,124.10 = 46,665,043.80 : x - Step 2: Convert to fraction form
161,676,749.40/242,515,124.10 = 46,665,043.80/x - Step 3: Cross multiply
161,676,749.40x = 242,515,124.10 × 46,665,043.80 - Step 4: Simplify right side
161,676,749.40x = 11,316,978,888,288,934 - Step 5: Solve for x
x = 11,316,978,888,288,934/161,676,749.40 - Step 6: Final answer
x = 69,997,565.70
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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.