Finding the Fourth Proportional to 83,106,762.67, 124,654,231.81 and 25,593,036.67
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Solution
The fourth proportional to 83,106,762.67, 124,654,231.81 and 25,593,036.67 is: 38,387,734.32
Step by Step Solution
- Step 1: Write the proportion equation
83,106,762.67 : 124,654,231.81 = 25,593,036.67 : x - Step 2: Convert to fraction form
83,106,762.67/124,654,231.81 = 25,593,036.67/x - Step 3: Cross multiply
83,106,762.67x = 124,654,231.81 × 25,593,036.67 - Step 4: Simplify right side
83,106,762.67x = 3,190,280,325,784,011 - Step 5: Solve for x
x = 3,190,280,325,784,011/83,106,762.67 - Step 6: Final answer
x = 38,387,734.32
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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.