Finding the Fourth Proportional to 68,759,655, 94,901,803.11 and 39,410,658.72
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Solution
The fourth proportional to 68,759,655, 94,901,803.11 and 39,410,658.72 is: 54,394,434.85
Step by Step Solution
- Step 1: Write the proportion equation
68,759,655 : 94,901,803.11 = 39,410,658.72 : x - Step 2: Convert to fraction form
68,759,655/94,901,803.11 = 39,410,658.72/x - Step 3: Cross multiply
68,759,655x = 94,901,803.11 × 39,410,658.72 - Step 4: Simplify right side
68,759,655x = 3,740,142,574,280,844.50 - Step 5: Solve for x
x = 3,740,142,574,280,844.50/68,759,655 - Step 6: Final answer
x = 54,394,434.85
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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.