Finding the Fourth Proportional to 135,353,977.66, 186,788,725.95 and 73,474,358.14
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Solution
The fourth proportional to 135,353,977.66, 186,788,725.95 and 73,474,358.14 is: 101,394,742.76
Step by Step Solution
- Step 1: Write the proportion equation
135,353,977.66 : 186,788,725.95 = 73,474,358.14 : x - Step 2: Convert to fraction form
135,353,977.66/186,788,725.95 = 73,474,358.14/x - Step 3: Cross multiply
135,353,977.66x = 186,788,725.95 × 73,474,358.14 - Step 4: Simplify right side
135,353,977.66x = 13,724,181,746,964,610 - Step 5: Solve for x
x = 13,724,181,746,964,610/135,353,977.66 - Step 6: Final answer
x = 101,394,742.76
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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.