Finding the Fourth Proportional to 124,542,718.24, 171,879,574.80 and 69,549,198.88
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Solution
The fourth proportional to 124,542,718.24, 171,879,574.80 and 69,549,198.88 is: 95,983,827.08
Step by Step Solution
- Step 1: Write the proportion equation
124,542,718.24 : 171,879,574.80 = 69,549,198.88 : x - Step 2: Convert to fraction form
124,542,718.24/171,879,574.80 = 69,549,198.88/x - Step 3: Cross multiply
124,542,718.24x = 171,879,574.80 × 69,549,198.88 - Step 4: Simplify right side
124,542,718.24x = 11,954,086,731,175,036 - Step 5: Solve for x
x = 11,954,086,731,175,036/124,542,718.24 - Step 6: Final answer
x = 95,983,827.08
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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.