Finding the Fourth Proportional to 99,652,913.70, 149,479,370.55 and 45,905,201.70
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Solution
The fourth proportional to 99,652,913.70, 149,479,370.55 and 45,905,201.70 is: 68,857,802.55
Step by Step Solution
- Step 1: Write the proportion equation
99,652,913.70 : 149,479,370.55 = 45,905,201.70 : x - Step 2: Convert to fraction form
99,652,913.70/149,479,370.55 = 45,905,201.70/x - Step 3: Cross multiply
99,652,913.70x = 149,479,370.55 × 45,905,201.70 - Step 4: Simplify right side
99,652,913.70x = 6,861,880,655,086,791 - Step 5: Solve for x
x = 6,861,880,655,086,791/99,652,913.70 - Step 6: Final answer
x = 68,857,802.55
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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.