Finding the Fourth Proportional to 77,534,134.40, 116,301,201.60 and 48,836,320.40
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Solution
The fourth proportional to 77,534,134.40, 116,301,201.60 and 48,836,320.40 is: 73,254,480.60
Step by Step Solution
- Step 1: Write the proportion equation
77,534,134.40 : 116,301,201.60 = 48,836,320.40 : x - Step 2: Convert to fraction form
77,534,134.40/116,301,201.60 = 48,836,320.40/x - Step 3: Cross multiply
77,534,134.40x = 116,301,201.60 × 48,836,320.40 - Step 4: Simplify right side
77,534,134.40x = 5,679,722,744,242,592 - Step 5: Solve for x
x = 5,679,722,744,242,592/77,534,134.40 - Step 6: Final answer
x = 73,254,480.60
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1.5x scale
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.