Finding the Fourth Proportional to 87,834,824.88, 121,212,335.16 and 48,677,260.56
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Solution
The fourth proportional to 87,834,824.88, 121,212,335.16 and 48,677,260.56 is: 67,174,772.99
Step by Step Solution
- Step 1: Write the proportion equation
87,834,824.88 : 121,212,335.16 = 48,677,260.56 : x - Step 2: Convert to fraction form
87,834,824.88/121,212,335.16 = 48,677,260.56/x - Step 3: Cross multiply
87,834,824.88x = 121,212,335.16 × 48,677,260.56 - Step 4: Simplify right side
87,834,824.88x = 5,900,284,421,669,369 - Step 5: Solve for x
x = 5,900,284,421,669,369/87,834,824.88 - Step 6: Final answer
x = 67,174,772.99
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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.