Finding the Fourth Proportional to 78,457,770.64, 117,713,140.83 and 34,732,497.66
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Solution
The fourth proportional to 78,457,770.64, 117,713,140.83 and 34,732,497.66 is: 52,110,471.09
Step by Step Solution
- Step 1: Write the proportion equation
78,457,770.64 : 117,713,140.83 = 34,732,497.66 : x - Step 2: Convert to fraction form
78,457,770.64/117,713,140.83 = 34,732,497.66/x - Step 3: Cross multiply
78,457,770.64x = 117,713,140.83 × 34,732,497.66 - Step 4: Simplify right side
78,457,770.64x = 4,088,471,388,429,225 - Step 5: Solve for x
x = 4,088,471,388,429,225/78,457,770.64 - Step 6: Final answer
x = 52,110,471.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.