Finding the Fourth Proportional to 126,798,266.70, 190,197,400.05 and 46,008,737.10
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Solution
The fourth proportional to 126,798,266.70, 190,197,400.05 and 46,008,737.10 is: 69,013,105.65
Step by Step Solution
- Step 1: Write the proportion equation
126,798,266.70 : 190,197,400.05 = 46,008,737.10 : x - Step 2: Convert to fraction form
126,798,266.70/190,197,400.05 = 46,008,737.10/x - Step 3: Cross multiply
126,798,266.70x = 190,197,400.05 × 46,008,737.10 - Step 4: Simplify right side
126,798,266.70x = 8,750,742,176,003,978 - Step 5: Solve for x
x = 8,750,742,176,003,978/126,798,266.70 - Step 6: Final answer
x = 69,013,105.65
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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.