Finding the Fourth Proportional to 124,335,327.54, 171,579,746.19 and 68,579,550.53
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Solution
The fourth proportional to 124,335,327.54, 171,579,746.19 and 68,579,550.53 is: 94,638,121.82
Step by Step Solution
- Step 1: Write the proportion equation
124,335,327.54 : 171,579,746.19 = 68,579,550.53 : x - Step 2: Convert to fraction form
124,335,327.54/171,579,746.19 = 68,579,550.53/x - Step 3: Cross multiply
124,335,327.54x = 171,579,746.19 × 68,579,550.53 - Step 4: Simplify right side
124,335,327.54x = 11,766,861,873,761,680 - Step 5: Solve for x
x = 11,766,861,873,761,680/124,335,327.54 - Step 6: Final answer
x = 94,638,121.82
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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.