Finding the Fourth Proportional to 68,312,809.08, 94,270,059.90 and 37,373,232.60
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Solution
The fourth proportional to 68,312,809.08, 94,270,059.90 and 37,373,232.60 is: 51,574,176.55
Step by Step Solution
- Step 1: Write the proportion equation
68,312,809.08 : 94,270,059.90 = 37,373,232.60 : x - Step 2: Convert to fraction form
68,312,809.08/94,270,059.90 = 37,373,232.60/x - Step 3: Cross multiply
68,312,809.08x = 94,270,059.90 × 37,373,232.60 - Step 4: Simplify right side
68,312,809.08x = 3,523,176,875,858,633 - Step 5: Solve for x
x = 3,523,176,875,858,633/68,312,809.08 - Step 6: Final answer
x = 51,574,176.55
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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.