Finding the Fourth Proportional to 69,320,614.24, 95,665,437.84 and 38,380,783.84
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Solution
The fourth proportional to 69,320,614.24, 95,665,437.84 and 38,380,783.84 is: 52,967,137.28
Step by Step Solution
- Step 1: Write the proportion equation
69,320,614.24 : 95,665,437.84 = 38,380,783.84 : x - Step 2: Convert to fraction form
69,320,614.24/95,665,437.84 = 38,380,783.84/x - Step 3: Cross multiply
69,320,614.24x = 95,665,437.84 × 38,380,783.84 - Step 4: Simplify right side
69,320,614.24x = 3,671,714,490,695,997 - Step 5: Solve for x
x = 3,671,714,490,695,997/69,320,614.24 - Step 6: Final answer
x = 52,967,137.28
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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.