Finding the Fourth Proportional to 276,204,710.70, 381,135,364.47 and 152,437,394.34
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Solution
The fourth proportional to 276,204,710.70, 381,135,364.47 and 152,437,394.34 is: 210,348,627.67
Step by Step Solution
- Step 1: Write the proportion equation
276,204,710.70 : 381,135,364.47 = 152,437,394.34 : x - Step 2: Convert to fraction form
276,204,710.70/381,135,364.47 = 152,437,394.34/x - Step 3: Cross multiply
276,204,710.70x = 381,135,364.47 × 152,437,394.34 - Step 4: Simplify right side
276,204,710.70x = 58,099,281,850,633,024 - Step 5: Solve for x
x = 58,099,281,850,633,024/276,204,710.70 - Step 6: Final answer
x = 210,348,627.67
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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.