Finding the Fourth Proportional to 67,984,110.41, 93,815,138.71 and 38,615,351.54
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Solution
The fourth proportional to 67,984,110.41, 93,815,138.71 and 38,615,351.54 is: 53,287,518.79
Step by Step Solution
- Step 1: Write the proportion equation
67,984,110.41 : 93,815,138.71 = 38,615,351.54 : x - Step 2: Convert to fraction form
67,984,110.41/93,815,138.71 = 38,615,351.54/x - Step 3: Cross multiply
67,984,110.41x = 93,815,138.71 × 38,615,351.54 - Step 4: Simplify right side
67,984,110.41x = 3,622,704,561,198,511 - Step 5: Solve for x
x = 3,622,704,561,198,511/67,984,110.41 - Step 6: Final answer
x = 53,287,518.79
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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.