Finding the Fourth Proportional to 73,554,813.68, 101,505,642.24 and 42,632,918.96
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Solution
The fourth proportional to 73,554,813.68, 101,505,642.24 and 42,632,918.96 is: 58,833,427.79
Step by Step Solution
- Step 1: Write the proportion equation
73,554,813.68 : 101,505,642.24 = 42,632,918.96 : x - Step 2: Convert to fraction form
73,554,813.68/101,505,642.24 = 42,632,918.96/x - Step 3: Cross multiply
73,554,813.68x = 101,505,642.24 × 42,632,918.96 - Step 4: Simplify right side
73,554,813.68x = 4,327,481,819,600,672.50 - Step 5: Solve for x
x = 4,327,481,819,600,672.50/73,554,813.68 - Step 6: Final answer
x = 58,833,427.79
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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.