Finding the Fourth Proportional to 76,720,921.60, 115,089,079.04 and 22,134,858.88
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Solution
The fourth proportional to 76,720,921.60, 115,089,079.04 and 22,134,858.88 is: 33,204,508.89
Step by Step Solution
- Step 1: Write the proportion equation
76,720,921.60 : 115,089,079.04 = 22,134,858.88 : x - Step 2: Convert to fraction form
76,720,921.60/115,089,079.04 = 22,134,858.88/x - Step 3: Cross multiply
76,720,921.60x = 115,089,079.04 × 22,134,858.88 - Step 4: Simplify right side
76,720,921.60x = 2,547,480,523,179,566 - Step 5: Solve for x
x = 2,547,480,523,179,566/76,720,921.60 - Step 6: Final answer
x = 33,204,508.89
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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.