Finding the Fourth Proportional to 126,103,067.48, 174,022,154.52 and 68,156,315.48
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Solution
The fourth proportional to 126,103,067.48, 174,022,154.52 and 68,156,315.48 is: 94,055,672.88
Step by Step Solution
- Step 1: Write the proportion equation
126,103,067.48 : 174,022,154.52 = 68,156,315.48 : x - Step 2: Convert to fraction form
126,103,067.48/174,022,154.52 = 68,156,315.48/x - Step 3: Cross multiply
126,103,067.48x = 174,022,154.52 × 68,156,315.48 - Step 4: Simplify right side
126,103,067.48x = 11,860,708,863,974,430 - Step 5: Solve for x
x = 11,860,708,863,974,430/126,103,067.48 - Step 6: Final answer
x = 94,055,672.88
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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.