Finding the Fourth Proportional to 134,911,159.37, 186,178,682.60 and 79,157,528.24
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Solution
The fourth proportional to 134,911,159.37, 186,178,682.60 and 79,157,528.24 is: 109,238,141.56
Step by Step Solution
- Step 1: Write the proportion equation
134,911,159.37 : 186,178,682.60 = 79,157,528.24 : x - Step 2: Convert to fraction form
134,911,159.37/186,178,682.60 = 79,157,528.24/x - Step 3: Cross multiply
134,911,159.37x = 186,178,682.60 × 79,157,528.24 - Step 4: Simplify right side
134,911,159.37x = 14,737,444,325,011,314 - Step 5: Solve for x
x = 14,737,444,325,011,314/134,911,159.37 - Step 6: Final answer
x = 109,238,141.56
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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.