Finding the Fourth Proportional to 89,921,201.01, 124,094,266.07 and 55,107,168.09
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Solution
The fourth proportional to 89,921,201.01, 124,094,266.07 and 55,107,168.09 is: 76,049,735.79
Step by Step Solution
- Step 1: Write the proportion equation
89,921,201.01 : 124,094,266.07 = 55,107,168.09 : x - Step 2: Convert to fraction form
89,921,201.01/124,094,266.07 = 55,107,168.09/x - Step 3: Cross multiply
89,921,201.01x = 124,094,266.07 × 55,107,168.09 - Step 4: Simplify right side
89,921,201.01x = 6,838,483,579,049,138 - Step 5: Solve for x
x = 6,838,483,579,049,138/89,921,201.01 - Step 6: Final answer
x = 76,049,735.79
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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.