Finding the Fourth Proportional to 185,834,490.44, 256,483,697.81 and 107,561,202.75
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Solution
The fourth proportional to 185,834,490.44, 256,483,697.81 and 107,561,202.75 is: 148,453,039.89
Step by Step Solution
- Step 1: Write the proportion equation
185,834,490.44 : 256,483,697.81 = 107,561,202.75 : x - Step 2: Convert to fraction form
185,834,490.44/256,483,697.81 = 107,561,202.75/x - Step 3: Cross multiply
185,834,490.44x = 256,483,697.81 × 107,561,202.75 - Step 4: Simplify right side
185,834,490.44x = 27,587,695,021,673,336 - Step 5: Solve for x
x = 27,587,695,021,673,336/185,834,490.44 - Step 6: Final answer
x = 148,453,039.89
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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.