Finding the Fourth Proportional to 165,888,000.20, 248,832,000.30 and 75,014,553.80
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Solution
The fourth proportional to 165,888,000.20, 248,832,000.30 and 75,014,553.80 is: 112,521,830.70
Step by Step Solution
- Step 1: Write the proportion equation
165,888,000.20 : 248,832,000.30 = 75,014,553.80 : x - Step 2: Convert to fraction form
165,888,000.20/248,832,000.30 = 75,014,553.80/x - Step 3: Cross multiply
165,888,000.20x = 248,832,000.30 × 75,014,553.80 - Step 4: Simplify right side
165,888,000.20x = 18,666,021,473,665,968 - Step 5: Solve for x
x = 18,666,021,473,665,968/165,888,000.20 - Step 6: Final answer
x = 112,521,830.70
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1.5x scale
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.