Finding the Fourth Proportional to 67,984,107.98, 93,815,135.35 and 38,615,349.11
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Solution
The fourth proportional to 67,984,107.98, 93,815,135.35 and 38,615,349.11 is: 53,287,515.43
Step by Step Solution
- Step 1: Write the proportion equation
67,984,107.98 : 93,815,135.35 = 38,615,349.11 : x - Step 2: Convert to fraction form
67,984,107.98/93,815,135.35 = 38,615,349.11/x - Step 3: Cross multiply
67,984,107.98x = 93,815,135.35 × 38,615,349.11 - Step 4: Simplify right side
67,984,107.98x = 3,622,704,202,776,537.50 - Step 5: Solve for x
x = 3,622,704,202,776,537.50/67,984,107.98 - Step 6: Final answer
x = 53,287,515.43
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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.