Finding the Fourth Proportional to 67,716,363.71, 93,454,345.13 and 38,352,919.92
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Solution
The fourth proportional to 67,716,363.71, 93,454,345.13 and 38,352,919.92 is: 52,930,293.63
Step by Step Solution
- Step 1: Write the proportion equation
67,716,363.71 : 93,454,345.13 = 38,352,919.92 : x - Step 2: Convert to fraction form
67,716,363.71/93,454,345.13 = 38,352,919.92/x - Step 3: Cross multiply
67,716,363.71x = 93,454,345.13 × 38,352,919.92 - Step 4: Simplify right side
67,716,363.71x = 3,584,247,014,755,167.50 - Step 5: Solve for x
x = 3,584,247,014,755,167.50/67,716,363.71 - Step 6: Final answer
x = 52,930,293.63
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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.