Finding the Fourth Proportional to 115,879,854.75, 173,792,816.18 and 43,130,896.26
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Solution
The fourth proportional to 115,879,854.75, 173,792,816.18 and 43,130,896.26 is: 64,686,307.56
Step by Step Solution
- Step 1: Write the proportion equation
115,879,854.75 : 173,792,816.18 = 43,130,896.26 : x - Step 2: Convert to fraction form
115,879,854.75/173,792,816.18 = 43,130,896.26/x - Step 3: Cross multiply
115,879,854.75x = 173,792,816.18 × 43,130,896.26 - Step 4: Simplify right side
115,879,854.75x = 7,495,839,924,523,866 - Step 5: Solve for x
x = 7,495,839,924,523,866/115,879,854.75 - Step 6: Final answer
x = 64,686,307.56
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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.