Finding the Fourth Proportional to 135,516,157.92, 187,013,481.21 and 73,636,494.66
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Solution
The fourth proportional to 135,516,157.92, 187,013,481.21 and 73,636,494.66 is: 101,619,005.60
Step by Step Solution
- Step 1: Write the proportion equation
135,516,157.92 : 187,013,481.21 = 73,636,494.66 : x - Step 2: Convert to fraction form
135,516,157.92/187,013,481.21 = 73,636,494.66/x - Step 3: Cross multiply
135,516,157.92x = 187,013,481.21 × 73,636,494.66 - Step 4: Simplify right side
135,516,157.92x = 13,771,017,210,468,176 - Step 5: Solve for x
x = 13,771,017,210,468,176/135,516,157.92 - Step 6: Final answer
x = 101,619,005.60
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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.