Finding the Fourth Proportional to 107,120,642.05, 147,826,581.29 and 58,228,070.05
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Solution
The fourth proportional to 107,120,642.05, 147,826,581.29 and 58,228,070.05 is: 80,354,788.45
Step by Step Solution
- Step 1: Write the proportion equation
107,120,642.05 : 147,826,581.29 = 58,228,070.05 : x - Step 2: Convert to fraction form
107,120,642.05/147,826,581.29 = 58,228,070.05/x - Step 3: Cross multiply
107,120,642.05x = 147,826,581.29 × 58,228,070.05 - Step 4: Simplify right side
107,120,642.05x = 8,607,656,530,606,138 - Step 5: Solve for x
x = 8,607,656,530,606,138/107,120,642.05 - Step 6: Final answer
x = 80,354,788.45
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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.