Finding the Fourth Proportional to 157,497,733.60, 236,246,600.40 and 80,970,229.60
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Solution
The fourth proportional to 157,497,733.60, 236,246,600.40 and 80,970,229.60 is: 121,455,344.40
Step by Step Solution
- Step 1: Write the proportion equation
157,497,733.60 : 236,246,600.40 = 80,970,229.60 : x - Step 2: Convert to fraction form
157,497,733.60/236,246,600.40 = 80,970,229.60/x - Step 3: Cross multiply
157,497,733.60x = 236,246,600.40 × 80,970,229.60 - Step 4: Simplify right side
157,497,733.60x = 19,128,941,476,607,452 - Step 5: Solve for x
x = 19,128,941,476,607,452/157,497,733.60 - Step 6: Final answer
x = 121,455,344.40
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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.