Finding the Fourth Proportional to 205,373,554.12, 283,326,434.04 and 135,855,953.74
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Solution
The fourth proportional to 205,373,554.12, 283,326,434.04 and 135,855,953.74 is: 187,422,295.34
Step by Step Solution
- Step 1: Write the proportion equation
205,373,554.12 : 283,326,434.04 = 135,855,953.74 : x - Step 2: Convert to fraction form
205,373,554.12/283,326,434.04 = 135,855,953.74/x - Step 3: Cross multiply
205,373,554.12x = 283,326,434.04 × 135,855,953.74 - Step 4: Simplify right side
205,373,554.12x = 38,491,582,916,257,408 - Step 5: Solve for x
x = 38,491,582,916,257,408/205,373,554.12 - Step 6: Final answer
x = 187,422,295.34
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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.