Finding the Fourth Proportional to 163,819,271.79, 226,069,251.57 and 89,479,879.74
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Solution
The fourth proportional to 163,819,271.79, 226,069,251.57 and 89,479,879.74 is: 123,481,500.21
Step by Step Solution
- Step 1: Write the proportion equation
163,819,271.79 : 226,069,251.57 = 89,479,879.74 : x - Step 2: Convert to fraction form
163,819,271.79/226,069,251.57 = 89,479,879.74/x - Step 3: Cross multiply
163,819,271.79x = 226,069,251.57 × 89,479,879.74 - Step 4: Simplify right side
163,819,271.79x = 20,228,649,443,395,404 - Step 5: Solve for x
x = 20,228,649,443,395,404/163,819,271.79 - Step 6: Final answer
x = 123,481,500.21
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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.