Finding the Fourth Proportional to 54,317,387.68, 74,956,499.60 and 29,871,101.60
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Solution
The fourth proportional to 54,317,387.68, 74,956,499.60 and 29,871,101.60 is: 41,221,297.83
Step by Step Solution
- Step 1: Write the proportion equation
54,317,387.68 : 74,956,499.60 = 29,871,101.60 : x - Step 2: Convert to fraction form
54,317,387.68/74,956,499.60 = 29,871,101.60/x - Step 3: Cross multiply
54,317,387.68x = 74,956,499.60 × 29,871,101.60 - Step 4: Simplify right side
54,317,387.68x = 2,239,033,215,131,959.25 - Step 5: Solve for x
x = 2,239,033,215,131,959.25/54,317,387.68 - Step 6: Final answer
x = 41,221,297.83
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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.