Finding the Fourth Proportional to 172,387,257.96, 237,899,471.82 and 94,075,867.68
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Solution
The fourth proportional to 172,387,257.96, 237,899,471.82 and 94,075,867.68 is: 129,827,456.49
Step by Step Solution
- Step 1: Write the proportion equation
172,387,257.96 : 237,899,471.82 = 94,075,867.68 : x - Step 2: Convert to fraction form
172,387,257.96/237,899,471.82 = 94,075,867.68/x - Step 3: Cross multiply
172,387,257.96x = 237,899,471.82 × 94,075,867.68 - Step 4: Simplify right side
172,387,257.96x = 22,380,599,232,080,208 - Step 5: Solve for x
x = 22,380,599,232,080,208/172,387,257.96 - Step 6: Final answer
x = 129,827,456.49
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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.