Finding the Fourth Proportional to 102,630,882.40, 141,576,921.76 and 63,460,137.76
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Solution
The fourth proportional to 102,630,882.40, 141,576,921.76 and 63,460,137.76 is: 87,541,788.09
Step by Step Solution
- Step 1: Write the proportion equation
102,630,882.40 : 141,576,921.76 = 63,460,137.76 : x - Step 2: Convert to fraction form
102,630,882.40/141,576,921.76 = 63,460,137.76/x - Step 3: Cross multiply
102,630,882.40x = 141,576,921.76 × 63,460,137.76 - Step 4: Simplify right side
102,630,882.40x = 8,984,490,958,526,341 - Step 5: Solve for x
x = 8,984,490,958,526,341/102,630,882.40 - Step 6: Final answer
x = 87,541,788.09
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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.