Finding the Fourth Proportional to 75,726,863.34, 113,590,288.05 and 18,219,134.58
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Solution
The fourth proportional to 75,726,863.34, 113,590,288.05 and 18,219,134.58 is: 27,328,700.20
Step by Step Solution
- Step 1: Write the proportion equation
75,726,863.34 : 113,590,288.05 = 18,219,134.58 : x - Step 2: Convert to fraction form
75,726,863.34/113,590,288.05 = 18,219,134.58/x - Step 3: Cross multiply
75,726,863.34x = 113,590,288.05 × 18,219,134.58 - Step 4: Simplify right side
75,726,863.34x = 2,069,516,744,963,915.50 - Step 5: Solve for x
x = 2,069,516,744,963,915.50/75,726,863.34 - Step 6: Final answer
x = 27,328,700.20
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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.