Finding the Fourth Proportional to 69,025,527.36, 95,257,221.12 and 38,087,689.68
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Solution
The fourth proportional to 69,025,527.36, 95,257,221.12 and 38,087,689.68 is: 52,562,111.68
Step by Step Solution
- Step 1: Write the proportion equation
69,025,527.36 : 95,257,221.12 = 38,087,689.68 : x - Step 2: Convert to fraction form
69,025,527.36/95,257,221.12 = 38,087,689.68/x - Step 3: Cross multiply
69,025,527.36x = 95,257,221.12 × 38,087,689.68 - Step 4: Simplify right side
69,025,527.36x = 3,628,127,477,797,702 - Step 5: Solve for x
x = 3,628,127,477,797,702/69,025,527.36 - Step 6: Final answer
x = 52,562,111.68
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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.