Finding the Fourth Proportional to 157,464,839.60, 236,197,259.40 and 135,923,764.40
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Solution
The fourth proportional to 157,464,839.60, 236,197,259.40 and 135,923,764.40 is: 203,885,646.60
Step by Step Solution
- Step 1: Write the proportion equation
157,464,839.60 : 236,197,259.40 = 135,923,764.40 : x - Step 2: Convert to fraction form
157,464,839.60/236,197,259.40 = 135,923,764.40/x - Step 3: Cross multiply
157,464,839.60x = 236,197,259.40 × 135,923,764.40 - Step 4: Simplify right side
157,464,839.60x = 32,104,820,638,611,288 - Step 5: Solve for x
x = 32,104,820,638,611,288/157,464,839.60 - Step 6: Final answer
x = 203,885,646.60
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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.