Finding the Fourth Proportional to 132,742,464.88, 183,126,488.38 and 126,588,128.96
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Solution
The fourth proportional to 132,742,464.88, 183,126,488.38 and 126,588,128.96 is: 174,636,199.11
Step by Step Solution
- Step 1: Write the proportion equation
132,742,464.88 : 183,126,488.38 = 126,588,128.96 : x - Step 2: Convert to fraction form
132,742,464.88/183,126,488.38 = 126,588,128.96/x - Step 3: Cross multiply
132,742,464.88x = 183,126,488.38 × 126,588,128.96 - Step 4: Simplify right side
132,742,464.88x = 23,181,639,527,039,380 - Step 5: Solve for x
x = 23,181,639,527,039,380/132,742,464.88 - Step 6: Final answer
x = 174,636,199.11
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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.