Finding the Fourth Proportional to 58,984,742.79, 81,365,611.28 and 36,919,935.75
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Solution
The fourth proportional to 58,984,742.79, 81,365,611.28 and 36,919,935.75 is: 50,928,646.94
Step by Step Solution
- Step 1: Write the proportion equation
58,984,742.79 : 81,365,611.28 = 36,919,935.75 : x - Step 2: Convert to fraction form
58,984,742.79/81,365,611.28 = 36,919,935.75/x - Step 3: Cross multiply
58,984,742.79x = 81,365,611.28 × 36,919,935.75 - Step 4: Simplify right side
58,984,742.79x = 3,004,013,140,532,476 - Step 5: Solve for x
x = 3,004,013,140,532,476/58,984,742.79 - Step 6: Final answer
x = 50,928,646.94
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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.