Finding the Fourth Proportional to 223,570,289.28, 308,523,838.68 and 125,784,912
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Solution
The fourth proportional to 223,570,289.28, 308,523,838.68 and 125,784,912 is: 173,581,400.39
Step by Step Solution
- Step 1: Write the proportion equation
223,570,289.28 : 308,523,838.68 = 125,784,912 : x - Step 2: Convert to fraction form
223,570,289.28/308,523,838.68 = 125,784,912/x - Step 3: Cross multiply
223,570,289.28x = 308,523,838.68 × 125,784,912 - Step 4: Simplify right side
223,570,289.28x = 38,807,643,898,266,000 - Step 5: Solve for x
x = 38,807,643,898,266,000/223,570,289.28 - Step 6: Final answer
x = 173,581,400.39
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1.5x scale
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.