Finding the Fourth Proportional to 87,768,284.64, 131,706,238.02 and 39,287,131.08
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Solution
The fourth proportional to 87,768,284.64, 131,706,238.02 and 39,287,131.08 is: 58,954,783.71
Step by Step Solution
- Step 1: Write the proportion equation
87,768,284.64 : 131,706,238.02 = 39,287,131.08 : x - Step 2: Convert to fraction form
87,768,284.64/131,706,238.02 = 39,287,131.08/x - Step 3: Cross multiply
87,768,284.64x = 131,706,238.02 × 39,287,131.08 - Step 4: Simplify right side
87,768,284.64x = 5,174,360,237,145,419 - Step 5: Solve for x
x = 5,174,360,237,145,419/87,768,284.64 - Step 6: Final answer
x = 58,954,783.71
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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.