Finding the Fourth Proportional to 314,930,216.70, 472,395,325.05 and 84,922,551.90
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Solution
The fourth proportional to 314,930,216.70, 472,395,325.05 and 84,922,551.90 is: 127,383,827.85
Step by Step Solution
- Step 1: Write the proportion equation
314,930,216.70 : 472,395,325.05 = 84,922,551.90 : x - Step 2: Convert to fraction form
314,930,216.70/472,395,325.05 = 84,922,551.90/x - Step 3: Cross multiply
314,930,216.70x = 472,395,325.05 × 84,922,551.90 - Step 4: Simplify right side
314,930,216.70x = 40,117,016,508,876,000 - Step 5: Solve for x
x = 40,117,016,508,876,000/314,930,216.70 - Step 6: Final answer
x = 127,383,827.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.