Finding the Fourth Proportional to 155,358,163.80, 233,037,245.70 and 64,658,899.80
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Solution
The fourth proportional to 155,358,163.80, 233,037,245.70 and 64,658,899.80 is: 96,988,349.70
Step by Step Solution
- Step 1: Write the proportion equation
155,358,163.80 : 233,037,245.70 = 64,658,899.80 : x - Step 2: Convert to fraction form
155,358,163.80/233,037,245.70 = 64,658,899.80/x - Step 3: Cross multiply
155,358,163.80x = 233,037,245.70 × 64,658,899.80 - Step 4: Simplify right side
155,358,163.80x = 15,067,931,919,384,280 - Step 5: Solve for x
x = 15,067,931,919,384,280/155,358,163.80 - Step 6: Final answer
x = 96,988,349.70
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1.5x scale
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.