Finding the Fourth Proportional to 205,268,919.93, 283,044,048.17 and 130,811,455.17
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Solution
The fourth proportional to 205,268,919.93, 283,044,048.17 and 130,811,455.17 is: 180,375,109.05
Step by Step Solution
- Step 1: Write the proportion equation
205,268,919.93 : 283,044,048.17 = 130,811,455.17 : x - Step 2: Convert to fraction form
205,268,919.93/283,044,048.17 = 130,811,455.17/x - Step 3: Cross multiply
205,268,919.93x = 283,044,048.17 × 130,811,455.17 - Step 4: Simplify right side
205,268,919.93x = 37,025,403,817,671,224 - Step 5: Solve for x
x = 37,025,403,817,671,224/205,268,919.93 - Step 6: Final answer
x = 180,375,109.05
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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.