Finding the Fourth Proportional to 250,372,809.57, 375,294,148.47 and 84,218,139.03
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Solution
The fourth proportional to 250,372,809.57, 375,294,148.47 and 84,218,139.03 is: 126,238,048.08
Step by Step Solution
- Step 1: Write the proportion equation
250,372,809.57 : 375,294,148.47 = 84,218,139.03 : x - Step 2: Convert to fraction form
250,372,809.57/375,294,148.47 = 84,218,139.03/x - Step 3: Cross multiply
250,372,809.57x = 375,294,148.47 × 84,218,139.03 - Step 4: Simplify right side
250,372,809.57x = 31,606,574,772,991,924 - Step 5: Solve for x
x = 31,606,574,772,991,924/250,372,809.57 - Step 6: Final answer
x = 126,238,048.08
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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.