Finding the Fourth Proportional to 115,646,064.24, 159,596,574.84 and 69,227,339.16
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Solution
The fourth proportional to 115,646,064.24, 159,596,574.84 and 69,227,339.16 is: 95,536,724.81
Step by Step Solution
- Step 1: Write the proportion equation
115,646,064.24 : 159,596,574.84 = 69,227,339.16 : x - Step 2: Convert to fraction form
115,646,064.24/159,596,574.84 = 69,227,339.16/x - Step 3: Cross multiply
115,646,064.24x = 159,596,574.84 × 69,227,339.16 - Step 4: Simplify right side
115,646,064.24x = 11,048,446,215,223,002 - Step 5: Solve for x
x = 11,048,446,215,223,002/115,646,064.24 - Step 6: Final answer
x = 95,536,724.81
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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.