Finding the Fourth Proportional to 70,588,991.52, 97,415,171.06 and 39,228,362.24
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Solution
The fourth proportional to 70,588,991.52, 97,415,171.06 and 39,228,362.24 is: 54,136,452.94
Step by Step Solution
- Step 1: Write the proportion equation
70,588,991.52 : 97,415,171.06 = 39,228,362.24 : x - Step 2: Convert to fraction form
70,588,991.52/97,415,171.06 = 39,228,362.24/x - Step 3: Cross multiply
70,588,991.52x = 97,415,171.06 × 39,228,362.24 - Step 4: Simplify right side
70,588,991.52x = 3,821,437,617,330,027.50 - Step 5: Solve for x
x = 3,821,437,617,330,027.50/70,588,991.52 - Step 6: Final answer
x = 54,136,452.94
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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.