Finding the Fourth Proportional to 70,150,887.99, 96,806,221.25 and 38,788,396.74
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Solution
The fourth proportional to 70,150,887.99, 96,806,221.25 and 38,788,396.74 is: 53,526,879.33
Step by Step Solution
- Step 1: Write the proportion equation
70,150,887.99 : 96,806,221.25 = 38,788,396.74 : x - Step 2: Convert to fraction form
70,150,887.99/96,806,221.25 = 38,788,396.74/x - Step 3: Cross multiply
70,150,887.99x = 96,806,221.25 × 38,788,396.74 - Step 4: Simplify right side
70,150,887.99x = 3,754,958,116,551,277 - Step 5: Solve for x
x = 3,754,958,116,551,277/70,150,887.99 - Step 6: Final answer
x = 53,526,879.33
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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.