Finding the Fourth Proportional to 47,223,504.23, 65,133,747.07 and 31,299,790.67
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Solution
The fourth proportional to 47,223,504.23, 65,133,747.07 and 31,299,790.67 is: 43,170,719.37
Step by Step Solution
- Step 1: Write the proportion equation
47,223,504.23 : 65,133,747.07 = 31,299,790.67 : x - Step 2: Convert to fraction form
47,223,504.23/65,133,747.07 = 31,299,790.67/x - Step 3: Cross multiply
47,223,504.23x = 65,133,747.07 × 31,299,790.67 - Step 4: Simplify right side
47,223,504.23x = 2,038,672,648,684,059.25 - Step 5: Solve for x
x = 2,038,672,648,684,059.25/47,223,504.23 - Step 6: Final answer
x = 43,170,719.37
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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.