Finding the Fourth Proportional to 83,564,325.20, 125,346,487.80 and 83,564,325.20
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Solution
The fourth proportional to 83,564,325.20, 125,346,487.80 and 83,564,325.20 is: 125,346,487.80
Step by Step Solution
- Step 1: Write the proportion equation
83,564,325.20 : 125,346,487.80 = 83,564,325.20 : x - Step 2: Convert to fraction form
83,564,325.20/125,346,487.80 = 83,564,325.20/x - Step 3: Cross multiply
83,564,325.20x = 125,346,487.80 × 83,564,325.20 - Step 4: Simplify right side
83,564,325.20x = 10,474,494,669,197,032 - Step 5: Solve for x
x = 10,474,494,669,197,032/83,564,325.20 - Step 6: Final answer
x = 125,346,487.80
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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.