Finding the Fourth Proportional to 176,397,415.20, 264,596,122.80 and 99,869,911.20
Calculator
Solution
The fourth proportional to 176,397,415.20, 264,596,122.80 and 99,869,911.20 is: 149,804,866.80
Step by Step Solution
- Step 1: Write the proportion equation
176,397,415.20 : 264,596,122.80 = 99,869,911.20 : x - Step 2: Convert to fraction form
176,397,415.20/264,596,122.80 = 99,869,911.20/x - Step 3: Cross multiply
176,397,415.20x = 264,596,122.80 × 99,869,911.20 - Step 4: Simplify right side
176,397,415.20x = 26,425,191,287,900,296 - Step 5: Solve for x
x = 26,425,191,287,900,296/176,397,415.20 - Step 6: Final answer
x = 149,804,866.80
Related Problems
Find fourth proportional to 88,198,707.60, 132,298,061.40 and 49,934,955.60
Half scale
Find fourth proportional to 352,794,830.40, 529,192,245.60 and 199,739,822.40
Double scale
Find fourth proportional to 176,397,416.20, 264,596,124.30 and 99,869,912.20
Similar ratio
Find fourth proportional to 264,596,122.80, 396,894,184.20 and 149,804,866.80
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.