Finding the Fourth Proportional to 226,177,879.62, 312,035,718.78 and 130,790,762.10
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Solution
The fourth proportional to 226,177,879.62, 312,035,718.78 and 130,790,762.10 is: 180,439,349.46
Step by Step Solution
- Step 1: Write the proportion equation
226,177,879.62 : 312,035,718.78 = 130,790,762.10 : x - Step 2: Convert to fraction form
226,177,879.62/312,035,718.78 = 130,790,762.10/x - Step 3: Cross multiply
226,177,879.62x = 312,035,718.78 × 130,790,762.10 - Step 4: Simplify right side
226,177,879.62x = 40,811,389,461,657,480 - Step 5: Solve for x
x = 40,811,389,461,657,480/226,177,879.62 - Step 6: Final answer
x = 180,439,349.46
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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.