Finding the Fourth Proportional to 126,334,155.29, 189,472,584.80 and 57,201,320.68
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Solution
The fourth proportional to 126,334,155.29, 189,472,584.80 and 57,201,320.68 is: 85,789,009.78
Step by Step Solution
- Step 1: Write the proportion equation
126,334,155.29 : 189,472,584.80 = 57,201,320.68 : x - Step 2: Convert to fraction form
126,334,155.29/189,472,584.80 = 57,201,320.68/x - Step 3: Cross multiply
126,334,155.29x = 189,472,584.80 × 57,201,320.68 - Step 4: Simplify right side
126,334,155.29x = 10,838,082,082,882,616 - Step 5: Solve for x
x = 10,838,082,082,882,616/126,334,155.29 - Step 6: Final answer
x = 85,789,009.78
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.