Finding the Fourth Proportional to 188,972,329.08, 260,781,811.96 and 102,052,201.08
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Solution
The fourth proportional to 188,972,329.08, 260,781,811.96 and 102,052,201.08 is: 140,832,036.32
Step by Step Solution
- Step 1: Write the proportion equation
188,972,329.08 : 260,781,811.96 = 102,052,201.08 : x - Step 2: Convert to fraction form
188,972,329.08/260,781,811.96 = 102,052,201.08/x - Step 3: Cross multiply
188,972,329.08x = 260,781,811.96 × 102,052,201.08 - Step 4: Simplify right side
188,972,329.08x = 26,613,357,912,148,668 - Step 5: Solve for x
x = 26,613,357,912,148,668/188,972,329.08 - Step 6: Final answer
x = 140,832,036.32
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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.