Finding the Fourth Proportional to 86,911,972.23, 130,286,912.22 and 29,363,997.81
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Solution
The fourth proportional to 86,911,972.23, 130,286,912.22 and 29,363,997.81 is: 44,018,614.55
Step by Step Solution
- Step 1: Write the proportion equation
86,911,972.23 : 130,286,912.22 = 29,363,997.81 : x - Step 2: Convert to fraction form
86,911,972.23/130,286,912.22 = 29,363,997.81/x - Step 3: Cross multiply
86,911,972.23x = 130,286,912.22 × 29,363,997.81 - Step 4: Simplify right side
86,911,972.23x = 3,825,744,605,099,742 - Step 5: Solve for x
x = 3,825,744,605,099,742/86,911,972.23 - Step 6: Final answer
x = 44,018,614.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.