Finding the Fourth Proportional to 74,203,703.84, 111,322,655.62 and 25,681,558.21
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Solution
The fourth proportional to 74,203,703.84, 111,322,655.62 and 25,681,558.21 is: 38,528,255.49
Step by Step Solution
- Step 1: Write the proportion equation
74,203,703.84 : 111,322,655.62 = 25,681,558.21 : x - Step 2: Convert to fraction form
74,203,703.84/111,322,655.62 = 25,681,558.21/x - Step 3: Cross multiply
74,203,703.84x = 111,322,655.62 × 25,681,558.21 - Step 4: Simplify right side
74,203,703.84x = 2,858,939,260,054,303 - Step 5: Solve for x
x = 2,858,939,260,054,303/74,203,703.84 - Step 6: Final answer
x = 38,528,255.49
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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.