Finding the Fourth Proportional to 108,134,166.42, 149,225,866.17 and 58,574,539.62
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Solution
The fourth proportional to 108,134,166.42, 149,225,866.17 and 58,574,539.62 is: 80,833,252.80
Step by Step Solution
- Step 1: Write the proportion equation
108,134,166.42 : 149,225,866.17 = 58,574,539.62 : x - Step 2: Convert to fraction form
108,134,166.42/149,225,866.17 = 58,574,539.62/x - Step 3: Cross multiply
108,134,166.42x = 149,225,866.17 × 58,574,539.62 - Step 4: Simplify right side
108,134,166.42x = 8,740,836,410,303,481 - Step 5: Solve for x
x = 8,740,836,410,303,481/108,134,166.42 - Step 6: Final answer
x = 80,833,252.80
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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.