Finding the Fourth Proportional to 50,996,542.38, 70,374,555.29 and 28,364,762.44
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Solution
The fourth proportional to 50,996,542.38, 70,374,555.29 and 28,364,762.44 is: 39,142,997.73
Step by Step Solution
- Step 1: Write the proportion equation
50,996,542.38 : 70,374,555.29 = 28,364,762.44 : x - Step 2: Convert to fraction form
50,996,542.38/70,374,555.29 = 28,364,762.44/x - Step 3: Cross multiply
50,996,542.38x = 70,374,555.29 × 28,364,762.44 - Step 4: Simplify right side
50,996,542.38x = 1,996,157,542,224,966.75 - Step 5: Solve for x
x = 1,996,157,542,224,966.75/50,996,542.38 - Step 6: Final answer
x = 39,142,997.73
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.