Finding the Fourth Proportional to 67,716,464.68, 93,454,484.63 and 38,353,020.83
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Solution
The fourth proportional to 67,716,464.68, 93,454,484.63 and 38,353,020.83 is: 52,930,432.98
Step by Step Solution
- Step 1: Write the proportion equation
67,716,464.68 : 93,454,484.63 = 38,353,020.83 : x - Step 2: Convert to fraction form
67,716,464.68/93,454,484.63 = 38,353,020.83/x - Step 3: Cross multiply
67,716,464.68x = 93,454,484.63 × 38,353,020.83 - Step 4: Simplify right side
67,716,464.68x = 3,584,261,795,578,457 - Step 5: Solve for x
x = 3,584,261,795,578,457/67,716,464.68 - Step 6: Final answer
x = 52,930,432.98
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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.