Finding the Fourth Proportional to 67,747,209.22, 93,491,148.58 and 38,378,541.74
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Solution
The fourth proportional to 67,747,209.22, 93,491,148.58 and 38,378,541.74 is: 52,962,387.52
Step by Step Solution
- Step 1: Write the proportion equation
67,747,209.22 : 93,491,148.58 = 38,378,541.74 : x - Step 2: Convert to fraction form
67,747,209.22/93,491,148.58 = 38,378,541.74/x - Step 3: Cross multiply
67,747,209.22x = 93,491,148.58 × 38,378,541.74 - Step 4: Simplify right side
67,747,209.22x = 3,588,053,947,630,616 - Step 5: Solve for x
x = 3,588,053,947,630,616/67,747,209.22 - Step 6: Final answer
x = 52,962,387.52
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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.