Finding the Fourth Proportional to 108,221,138.66, 162,329,433.68 and 26,340,473.75
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Solution
The fourth proportional to 108,221,138.66, 162,329,433.68 and 26,340,473.75 is: 39,510,157.08
Step by Step Solution
- Step 1: Write the proportion equation
108,221,138.66 : 162,329,433.68 = 26,340,473.75 : x - Step 2: Convert to fraction form
108,221,138.66/162,329,433.68 = 26,340,473.75/x - Step 3: Cross multiply
108,221,138.66x = 162,329,433.68 × 26,340,473.75 - Step 4: Simplify right side
108,221,138.66x = 4,275,834,187,309,141.50 - Step 5: Solve for x
x = 4,275,834,187,309,141.50/108,221,138.66 - Step 6: Final answer
x = 39,510,157.08
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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.