Finding the Fourth Proportional to 268,273,652.80, 370,256,846.16 and 150,808,658.08
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Solution
The fourth proportional to 268,273,652.80, 370,256,846.16 and 150,808,658.08 is: 208,137,987.21
Step by Step Solution
- Step 1: Write the proportion equation
268,273,652.80 : 370,256,846.16 = 150,808,658.08 : x - Step 2: Convert to fraction form
268,273,652.80/370,256,846.16 = 150,808,658.08/x - Step 3: Cross multiply
268,273,652.80x = 370,256,846.16 × 150,808,658.08 - Step 4: Simplify right side
268,273,652.80x = 55,837,938,114,322,608 - Step 5: Solve for x
x = 55,837,938,114,322,608/268,273,652.80 - Step 6: Final answer
x = 208,137,987.21
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.