Finding the Fourth Proportional to 157,464,197.60, 236,196,296.40 and 135,923,122.40
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Solution
The fourth proportional to 157,464,197.60, 236,196,296.40 and 135,923,122.40 is: 203,884,683.60
Step by Step Solution
- Step 1: Write the proportion equation
157,464,197.60 : 236,196,296.40 = 135,923,122.40 : x - Step 2: Convert to fraction form
157,464,197.60/236,196,296.40 = 135,923,122.40/x - Step 3: Cross multiply
157,464,197.60x = 236,196,296.40 × 135,923,122.40 - Step 4: Simplify right side
157,464,197.60x = 32,104,538,106,003,880 - Step 5: Solve for x
x = 32,104,538,106,003,880/157,464,197.60 - Step 6: Final answer
x = 203,884,683.60
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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.