Finding the Fourth Proportional to 237,326,589.50, 356,092,186.64 and 128,130,078.62
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Solution
The fourth proportional to 237,326,589.50, 356,092,186.64 and 128,130,078.62 is: 192,250,349.90
Step by Step Solution
- Step 1: Write the proportion equation
237,326,589.50 : 356,092,186.64 = 128,130,078.62 : x - Step 2: Convert to fraction form
237,326,589.50/356,092,186.64 = 128,130,078.62/x - Step 3: Cross multiply
237,326,589.50x = 356,092,186.64 × 128,130,078.62 - Step 4: Simplify right side
237,326,589.50x = 45,626,119,870,400,496 - Step 5: Solve for x
x = 45,626,119,870,400,496/237,326,589.50 - Step 6: Final answer
x = 192,250,349.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.