Finding the Fourth Proportional to 116,088,572.20, 160,197,426.52 and 63,165,497.68
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Solution
The fourth proportional to 116,088,572.20, 160,197,426.52 and 63,165,497.68 is: 87,165,773.35
Step by Step Solution
- Step 1: Write the proportion equation
116,088,572.20 : 160,197,426.52 = 63,165,497.68 : x - Step 2: Convert to fraction form
116,088,572.20/160,197,426.52 = 63,165,497.68/x - Step 3: Cross multiply
116,088,572.20x = 160,197,426.52 × 63,165,497.68 - Step 4: Simplify right side
116,088,572.20x = 10,118,950,173,191,032 - Step 5: Solve for x
x = 10,118,950,173,191,032/116,088,572.20 - Step 6: Final answer
x = 87,165,773.35
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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.