Finding the Fourth Proportional to 73,247,903.70, 109,889,351.55 and 22,130,423.70
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Solution
The fourth proportional to 73,247,903.70, 109,889,351.55 and 22,130,423.70 is: 33,200,921.62
Step by Step Solution
- Step 1: Write the proportion equation
73,247,903.70 : 109,889,351.55 = 22,130,423.70 : x - Step 2: Convert to fraction form
73,247,903.70/109,889,351.55 = 22,130,423.70/x - Step 3: Cross multiply
73,247,903.70x = 109,889,351.55 × 22,130,423.70 - Step 4: Simplify right side
73,247,903.70x = 2,431,897,909,919,751.50 - Step 5: Solve for x
x = 2,431,897,909,919,751.50/73,247,903.70 - Step 6: Final answer
x = 33,200,921.62
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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.