Finding the Fourth Proportional to 50,813,905.36, 76,178,010.66 and 22,038,368.08
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Solution
The fourth proportional to 50,813,905.36, 76,178,010.66 and 22,038,368.08 is: 33,038,968.89
Step by Step Solution
- Step 1: Write the proportion equation
50,813,905.36 : 76,178,010.66 = 22,038,368.08 : x - Step 2: Convert to fraction form
50,813,905.36/76,178,010.66 = 22,038,368.08/x - Step 3: Cross multiply
50,813,905.36x = 76,178,010.66 × 22,038,368.08 - Step 4: Simplify right side
50,813,905.36x = 1,678,839,038,527,243.50 - Step 5: Solve for x
x = 1,678,839,038,527,243.50/50,813,905.36 - Step 6: Final answer
x = 33,038,968.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.