Finding the Fourth Proportional to 71,165,262.06, 106,709,533.11 and 38,393,402.40
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Solution
The fourth proportional to 71,165,262.06, 106,709,533.11 and 38,393,402.40 is: 57,569,408.53
Step by Step Solution
- Step 1: Write the proportion equation
71,165,262.06 : 106,709,533.11 = 38,393,402.40 : x - Step 2: Convert to fraction form
71,165,262.06/106,709,533.11 = 38,393,402.40/x - Step 3: Cross multiply
71,165,262.06x = 106,709,533.11 × 38,393,402.40 - Step 4: Simplify right side
71,165,262.06x = 4,096,942,044,608,353.50 - Step 5: Solve for x
x = 4,096,942,044,608,353.50/71,165,262.06 - Step 6: Final answer
x = 57,569,408.53
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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.