Finding the Fourth Proportional to 205,373,553.12, 283,326,432.66 and 135,855,952.74
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Solution
The fourth proportional to 205,373,553.12, 283,326,432.66 and 135,855,952.74 is: 187,422,293.96
Step by Step Solution
- Step 1: Write the proportion equation
205,373,553.12 : 283,326,432.66 = 135,855,952.74 : x - Step 2: Convert to fraction form
205,373,553.12/283,326,432.66 = 135,855,952.74/x - Step 3: Cross multiply
205,373,553.12x = 283,326,432.66 × 135,855,952.74 - Step 4: Simplify right side
205,373,553.12x = 38,491,582,445,449,760 - Step 5: Solve for x
x = 38,491,582,445,449,760/205,373,553.12 - Step 6: Final answer
x = 187,422,293.96
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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.