Finding the Fourth Proportional to 53,107,368.80, 79,661,053.20 and 53,107,368.80
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Solution
The fourth proportional to 53,107,368.80, 79,661,053.20 and 53,107,368.80 is: 79,661,053.20
Step by Step Solution
- Step 1: Write the proportion equation
53,107,368.80 : 79,661,053.20 = 53,107,368.80 : x - Step 2: Convert to fraction form
53,107,368.80/79,661,053.20 = 53,107,368.80/x - Step 3: Cross multiply
53,107,368.80x = 79,661,053.20 × 53,107,368.80 - Step 4: Simplify right side
53,107,368.80x = 4,230,588,931,288,820 - Step 5: Solve for x
x = 4,230,588,931,288,820/53,107,368.80 - Step 6: Final answer
x = 79,661,053.20
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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.