Finding the Fourth Proportional to 91,784,452.16, 126,657,736.08 and 50,523,285.44
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Solution
The fourth proportional to 91,784,452.16, 126,657,736.08 and 50,523,285.44 is: 69,719,487.37
Step by Step Solution
- Step 1: Write the proportion equation
91,784,452.16 : 126,657,736.08 = 50,523,285.44 : x - Step 2: Convert to fraction form
91,784,452.16/126,657,736.08 = 50,523,285.44/x - Step 3: Cross multiply
91,784,452.16x = 126,657,736.08 × 50,523,285.44 - Step 4: Simplify right side
91,784,452.16x = 6,399,164,953,154,026 - Step 5: Solve for x
x = 6,399,164,953,154,026/91,784,452.16 - Step 6: Final answer
x = 69,719,487.37
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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.