Finding the Fourth Proportional to 92,170,443.99, 138,159,100.97 and 42,945,708.66
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Solution
The fourth proportional to 92,170,443.99, 138,159,100.97 and 42,945,708.66 is: 64,373,569.68
Step by Step Solution
- Step 1: Write the proportion equation
92,170,443.99 : 138,159,100.97 = 42,945,708.66 : x - Step 2: Convert to fraction form
92,170,443.99/138,159,100.97 = 42,945,708.66/x - Step 3: Cross multiply
92,170,443.99x = 138,159,100.97 × 42,945,708.66 - Step 4: Simplify right side
92,170,443.99x = 5,933,340,498,413,365 - Step 5: Solve for x
x = 5,933,340,498,413,365/92,170,443.99 - Step 6: Final answer
x = 64,373,569.68
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.