Finding the Fourth Proportional to 236,651,068.99, 355,014,744.77 and 72,888,771.43
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Solution
The fourth proportional to 236,651,068.99, 355,014,744.77 and 72,888,771.43 is: 109,344,904.70
Step by Step Solution
- Step 1: Write the proportion equation
236,651,068.99 : 355,014,744.77 = 72,888,771.43 : x - Step 2: Convert to fraction form
236,651,068.99/355,014,744.77 = 72,888,771.43/x - Step 3: Cross multiply
236,651,068.99x = 355,014,744.77 × 72,888,771.43 - Step 4: Simplify right side
236,651,068.99x = 25,876,588,585,820,320 - Step 5: Solve for x
x = 25,876,588,585,820,320/236,651,068.99 - Step 6: Final answer
x = 109,344,904.70
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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.