Finding the Fourth Proportional to 256,244,604.13, 353,615,792.67 and 138,767,246.03
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Solution
The fourth proportional to 256,244,604.13, 353,615,792.67 and 138,767,246.03 is: 191,497,845.84
Step by Step Solution
- Step 1: Write the proportion equation
256,244,604.13 : 353,615,792.67 = 138,767,246.03 : x - Step 2: Convert to fraction form
256,244,604.13/353,615,792.67 = 138,767,246.03/x - Step 3: Cross multiply
256,244,604.13x = 353,615,792.67 × 138,767,246.03 - Step 4: Simplify right side
256,244,604.13x = 49,070,289,700,424,552 - Step 5: Solve for x
x = 49,070,289,700,424,552/256,244,604.13 - Step 6: Final answer
x = 191,497,845.84
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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.