Finding the Fourth Proportional to 134,183,762.40, 201,204,784.80 and 57,420,062.40
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Solution
The fourth proportional to 134,183,762.40, 201,204,784.80 and 57,420,062.40 is: 86,099,771.62
Step by Step Solution
- Step 1: Write the proportion equation
134,183,762.40 : 201,204,784.80 = 57,420,062.40 : x - Step 2: Convert to fraction form
134,183,762.40/201,204,784.80 = 57,420,062.40/x - Step 3: Cross multiply
134,183,762.40x = 201,204,784.80 × 57,420,062.40 - Step 4: Simplify right side
134,183,762.40x = 11,553,191,298,394,572 - Step 5: Solve for x
x = 11,553,191,298,394,572/134,183,762.40 - Step 6: Final answer
x = 86,099,771.62
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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.