Finding the Fourth Proportional to 235,264,856.15, 324,663,709.75 and 129,415,998
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Solution
The fourth proportional to 235,264,856.15, 324,663,709.75 and 129,415,998 is: 178,593,091.63
Step by Step Solution
- Step 1: Write the proportion equation
235,264,856.15 : 324,663,709.75 = 129,415,998 : x - Step 2: Convert to fraction form
235,264,856.15/324,663,709.75 = 129,415,998/x - Step 3: Cross multiply
235,264,856.15x = 324,663,709.75 × 129,415,998 - Step 4: Simplify right side
235,264,856.15x = 42,016,678,011,678,584 - Step 5: Solve for x
x = 42,016,678,011,678,584/235,264,856.15 - Step 6: Final answer
x = 178,593,091.63
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1.5x scale
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.