Finding the Fourth Proportional to 98,482,984.66, 135,923,395.04 and 57,253,791.88
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Solution
The fourth proportional to 98,482,984.66, 135,923,395.04 and 57,253,791.88 is: 79,020,043.90
Step by Step Solution
- Step 1: Write the proportion equation
98,482,984.66 : 135,923,395.04 = 57,253,791.88 : x - Step 2: Convert to fraction form
98,482,984.66/135,923,395.04 = 57,253,791.88/x - Step 3: Cross multiply
98,482,984.66x = 135,923,395.04 × 57,253,791.88 - Step 4: Simplify right side
98,482,984.66x = 7,782,129,771,243,184 - Step 5: Solve for x
x = 7,782,129,771,243,184/98,482,984.66 - Step 6: Final answer
x = 79,020,043.90
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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.