Finding the Fourth Proportional to 90,708,596.99, 125,188,491.02 and 51,556,259.03
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Solution
The fourth proportional to 90,708,596.99, 125,188,491.02 and 51,556,259.03 is: 71,153,677.65
Step by Step Solution
- Step 1: Write the proportion equation
90,708,596.99 : 125,188,491.02 = 51,556,259.03 : x - Step 2: Convert to fraction form
90,708,596.99/125,188,491.02 = 51,556,259.03/x - Step 3: Cross multiply
90,708,596.99x = 125,188,491.02 × 51,556,259.03 - Step 4: Simplify right side
90,708,596.99x = 6,454,250,270,601,949 - Step 5: Solve for x
x = 6,454,250,270,601,949/90,708,596.99 - Step 6: Final answer
x = 71,153,677.65
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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.