Finding the Fourth Proportional to 124,180,866.26, 171,361,873.98 and 68,423,166.42
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Solution
The fourth proportional to 124,180,866.26, 171,361,873.98 and 68,423,166.42 is: 94,419,715.17
Step by Step Solution
- Step 1: Write the proportion equation
124,180,866.26 : 171,361,873.98 = 68,423,166.42 : x - Step 2: Convert to fraction form
124,180,866.26/171,361,873.98 = 68,423,166.42/x - Step 3: Cross multiply
124,180,866.26x = 171,361,873.98 × 68,423,166.42 - Step 4: Simplify right side
124,180,866.26x = 11,725,122,021,376,608 - Step 5: Solve for x
x = 11,725,122,021,376,608/124,180,866.26 - Step 6: Final answer
x = 94,419,715.17
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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.