Finding the Fourth Proportional to 185,440,717.44, 255,909,178.08 and 115,866,444.96
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Solution
The fourth proportional to 185,440,717.44, 255,909,178.08 and 115,866,444.96 is: 159,896,311.37
Step by Step Solution
- Step 1: Write the proportion equation
185,440,717.44 : 255,909,178.08 = 115,866,444.96 : x - Step 2: Convert to fraction form
185,440,717.44/255,909,178.08 = 115,866,444.96/x - Step 3: Cross multiply
185,440,717.44x = 255,909,178.08 × 115,866,444.96 - Step 4: Simplify right side
185,440,717.44x = 29,651,286,696,765,160 - Step 5: Solve for x
x = 29,651,286,696,765,160/185,440,717.44 - Step 6: Final answer
x = 159,896,311.37
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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.