Finding the Fourth Proportional to 84,607,311.60, 126,920,298.60 and 27,089,794.80
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Solution
The fourth proportional to 84,607,311.60, 126,920,298.60 and 27,089,794.80 is: 40,637,679.89
Step by Step Solution
- Step 1: Write the proportion equation
84,607,311.60 : 126,920,298.60 = 27,089,794.80 : x - Step 2: Convert to fraction form
84,607,311.60/126,920,298.60 = 27,089,794.80/x - Step 3: Cross multiply
84,607,311.60x = 126,920,298.60 × 27,089,794.80 - Step 4: Simplify right side
84,607,311.60x = 3,438,244,845,028,727 - Step 5: Solve for x
x = 3,438,244,845,028,727/84,607,311.60 - Step 6: Final answer
x = 40,637,679.89
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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.