Finding the Fourth Proportional to 76,953,125.63, 106,202,346.09 and 42,150,826.01
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Solution
The fourth proportional to 76,953,125.63, 106,202,346.09 and 42,150,826.01 is: 58,171,992.04
Step by Step Solution
- Step 1: Write the proportion equation
76,953,125.63 : 106,202,346.09 = 42,150,826.01 : x - Step 2: Convert to fraction form
76,953,125.63/106,202,346.09 = 42,150,826.01/x - Step 3: Cross multiply
76,953,125.63x = 106,202,346.09 × 42,150,826.01 - Step 4: Simplify right side
76,953,125.63x = 4,476,516,612,000,834.50 - Step 5: Solve for x
x = 4,476,516,612,000,834.50/76,953,125.63 - Step 6: Final answer
x = 58,171,992.04
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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.