Finding the Fourth Proportional to 134,772,661.87, 202,181,353.56 and 47,311,507.13
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Solution
The fourth proportional to 134,772,661.87, 202,181,353.56 and 47,311,507.13 is: 70,975,110.36
Step by Step Solution
- Step 1: Write the proportion equation
134,772,661.87 : 202,181,353.56 = 47,311,507.13 : x - Step 2: Convert to fraction form
134,772,661.87/202,181,353.56 = 47,311,507.13/x - Step 3: Cross multiply
134,772,661.87x = 202,181,353.56 × 47,311,507.13 - Step 4: Simplify right side
134,772,661.87x = 9,565,504,549,496,084 - Step 5: Solve for x
x = 9,565,504,549,496,084/134,772,661.87 - Step 6: Final answer
x = 70,975,110.36
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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.