Finding the Fourth Proportional to 250,372,802.79, 375,294,138.36 and 84,218,132.27
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Solution
The fourth proportional to 250,372,802.79, 375,294,138.36 and 84,218,132.27 is: 126,238,037.96
Step by Step Solution
- Step 1: Write the proportion equation
250,372,802.79 : 375,294,138.36 = 84,218,132.27 : x - Step 2: Convert to fraction form
250,372,802.79/375,294,138.36 = 84,218,132.27/x - Step 3: Cross multiply
250,372,802.79x = 375,294,138.36 × 84,218,132.27 - Step 4: Simplify right side
250,372,802.79x = 31,606,571,382,681,692 - Step 5: Solve for x
x = 31,606,571,382,681,692/250,372,802.79 - Step 6: Final answer
x = 126,238,037.96
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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.