Finding the Fourth Proportional to 52,488,128.68, 78,732,193.02 and 52,488,128.68
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Solution
The fourth proportional to 52,488,128.68, 78,732,193.02 and 52,488,128.68 is: 78,732,193.02
Step by Step Solution
- Step 1: Write the proportion equation
52,488,128.68 : 78,732,193.02 = 52,488,128.68 : x - Step 2: Convert to fraction form
52,488,128.68/78,732,193.02 = 52,488,128.68/x - Step 3: Cross multiply
52,488,128.68x = 78,732,193.02 × 52,488,128.68 - Step 4: Simplify right side
52,488,128.68x = 4,132,505,477,836,256 - Step 5: Solve for x
x = 4,132,505,477,836,256/52,488,128.68 - Step 6: Final answer
x = 78,732,193.02
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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.