Finding the Fourth Proportional to 157,419,139.80, 236,128,709.70 and 151,041,847.80
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Solution
The fourth proportional to 157,419,139.80, 236,128,709.70 and 151,041,847.80 is: 226,562,771.70
Step by Step Solution
- Step 1: Write the proportion equation
157,419,139.80 : 236,128,709.70 = 151,041,847.80 : x - Step 2: Convert to fraction form
157,419,139.80/236,128,709.70 = 151,041,847.80/x - Step 3: Cross multiply
157,419,139.80x = 236,128,709.70 × 151,041,847.80 - Step 4: Simplify right side
157,419,139.80x = 35,665,316,631,717,784 - Step 5: Solve for x
x = 35,665,316,631,717,784/157,419,139.80 - Step 6: Final answer
x = 226,562,771.70
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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.