Finding the Fourth Proportional to 49,671,873.88, 68,549,443.23 and 27,646,783.99
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Solution
The fourth proportional to 49,671,873.88, 68,549,443.23 and 27,646,783.99 is: 38,153,818.28
Step by Step Solution
- Step 1: Write the proportion equation
49,671,873.88 : 68,549,443.23 = 27,646,783.99 : x - Step 2: Convert to fraction form
49,671,873.88/68,549,443.23 = 27,646,783.99/x - Step 3: Cross multiply
49,671,873.88x = 68,549,443.23 × 27,646,783.99 - Step 4: Simplify right side
49,671,873.88x = 1,895,171,649,614,578 - Step 5: Solve for x
x = 1,895,171,649,614,578/49,671,873.88 - Step 6: Final answer
x = 38,153,818.28
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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.