Finding the Fourth Proportional to 63,232,213.99, 87,233,735.25 and 42,330,980.69
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Solution
The fourth proportional to 63,232,213.99, 87,233,735.25 and 42,330,980.69 is: 58,398,865.54
Step by Step Solution
- Step 1: Write the proportion equation
63,232,213.99 : 87,233,735.25 = 42,330,980.69 : x - Step 2: Convert to fraction form
63,232,213.99/87,233,735.25 = 42,330,980.69/x - Step 3: Cross multiply
63,232,213.99x = 87,233,735.25 × 42,330,980.69 - Step 4: Simplify right side
63,232,213.99x = 3,692,689,562,434,021 - Step 5: Solve for x
x = 3,692,689,562,434,021/63,232,213.99 - Step 6: Final answer
x = 58,398,865.54
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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.