Finding the Fourth Proportional to 84,141,826.74, 126,252,710.97 and 58,273,936.08
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Solution
The fourth proportional to 84,141,826.74, 126,252,710.97 and 58,273,936.08 is: 87,438,586.66
Step by Step Solution
- Step 1: Write the proportion equation
84,141,826.74 : 126,252,710.97 = 58,273,936.08 : x - Step 2: Convert to fraction form
84,141,826.74/126,252,710.97 = 58,273,936.08/x - Step 3: Cross multiply
84,141,826.74x = 126,252,710.97 × 58,273,936.08 - Step 4: Simplify right side
84,141,826.74x = 7,357,242,408,992,495 - Step 5: Solve for x
x = 7,357,242,408,992,495/84,141,826.74 - Step 6: Final answer
x = 87,438,586.66
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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.