Finding the Fourth Proportional to 125,163,448.06, 172,722,285.37 and 69,408,726.43
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Solution
The fourth proportional to 125,163,448.06, 172,722,285.37 and 69,408,726.43 is: 95,782,227.47
Step by Step Solution
- Step 1: Write the proportion equation
125,163,448.06 : 172,722,285.37 = 69,408,726.43 : x - Step 2: Convert to fraction form
125,163,448.06/172,722,285.37 = 69,408,726.43/x - Step 3: Cross multiply
125,163,448.06x = 172,722,285.37 × 69,408,726.43 - Step 4: Simplify right side
125,163,448.06x = 11,988,433,853,610,722 - Step 5: Solve for x
x = 11,988,433,853,610,722/125,163,448.06 - Step 6: Final answer
x = 95,782,227.47
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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.