Finding the Fourth Proportional to 257,979,589.08, 387,135,865.35 and 94,203,633.30
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Solution
The fourth proportional to 257,979,589.08, 387,135,865.35 and 94,203,633.30 is: 141,366,242.29
Step by Step Solution
- Step 1: Write the proportion equation
257,979,589.08 : 387,135,865.35 = 94,203,633.30 : x - Step 2: Convert to fraction form
257,979,589.08/387,135,865.35 = 94,203,633.30/x - Step 3: Cross multiply
257,979,589.08x = 387,135,865.35 × 94,203,633.30 - Step 4: Simplify right side
257,979,589.08x = 36,469,605,096,709,576 - Step 5: Solve for x
x = 36,469,605,096,709,576/257,979,589.08 - Step 6: Final answer
x = 141,366,242.29
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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.