Finding the Fourth Proportional to 115,233,594.75, 159,022,004.91 and 62,309,931.99
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Solution
The fourth proportional to 115,233,594.75, 159,022,004.91 and 62,309,931.99 is: 85,987,513.73
Step by Step Solution
- Step 1: Write the proportion equation
115,233,594.75 : 159,022,004.91 = 62,309,931.99 : x - Step 2: Convert to fraction form
115,233,594.75/159,022,004.91 = 62,309,931.99/x - Step 3: Cross multiply
115,233,594.75x = 159,022,004.91 × 62,309,931.99 - Step 4: Simplify right side
115,233,594.75x = 9,908,650,310,855,546 - Step 5: Solve for x
x = 9,908,650,310,855,546/115,233,594.75 - Step 6: Final answer
x = 85,987,513.73
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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.