Finding the Fourth Proportional to 57,089,998.08, 78,784,764.48 and 30,984,747.84
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Solution
The fourth proportional to 57,089,998.08, 78,784,764.48 and 30,984,747.84 is: 42,759,259.82
Step by Step Solution
- Step 1: Write the proportion equation
57,089,998.08 : 78,784,764.48 = 30,984,747.84 : x - Step 2: Convert to fraction form
57,089,998.08/78,784,764.48 = 30,984,747.84/x - Step 3: Cross multiply
57,089,998.08x = 78,784,764.48 × 30,984,747.84 - Step 4: Simplify right side
57,089,998.08x = 2,441,126,061,046,589 - Step 5: Solve for x
x = 2,441,126,061,046,589/57,089,998.08 - Step 6: Final answer
x = 42,759,259.82
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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.