Finding the Fourth Proportional to 75,002,951,154.64, 103,504,149,195.74 and 40,708,664,783.31
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Solution
The fourth proportional to 75,002,951,154.64, 103,504,149,195.74 and 40,708,664,783.31 is: 56,177,998,977.71
Step by Step Solution
- Step 1: Write the proportion equation
75,002,951,154.64 : 103,504,149,195.74 = 40,708,664,783.31 : x - Step 2: Convert to fraction form
75,002,951,154.64/103,504,149,195.74 = 40,708,664,783.31/x - Step 3: Cross multiply
75,002,951,154.64x = 103,504,149,195.74 × 40,708,664,783.31 - Step 4: Simplify right side
75,002,951,154.64x = 4,213,515,713,290,567,680,000 - Step 5: Solve for x
x = 4,213,515,713,290,567,680,000/75,002,951,154.64 - Step 6: Final answer
x = 56,177,998,977.71
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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.