Finding the Fourth Proportional to 121,643,519.32, 182,465,352.78 and 29,527,391.08
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Solution
The fourth proportional to 121,643,519.32, 182,465,352.78 and 29,527,391.08 is: 44,291,104.53
Step by Step Solution
- Step 1: Write the proportion equation
121,643,519.32 : 182,465,352.78 = 29,527,391.08 : x - Step 2: Convert to fraction form
121,643,519.32/182,465,352.78 = 29,527,391.08/x - Step 3: Cross multiply
121,643,519.32x = 182,465,352.78 × 29,527,391.08 - Step 4: Simplify right side
121,643,519.32x = 5,387,725,830,085,225 - Step 5: Solve for x
x = 5,387,725,830,085,225/121,643,519.32 - Step 6: Final answer
x = 44,291,104.53
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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.