Finding the Fourth Proportional to 157,467,982.45, 236,201,973.68 and 49,762,606.45
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Solution
The fourth proportional to 157,467,982.45, 236,201,973.68 and 49,762,606.45 is: 74,643,909.68
Step by Step Solution
- Step 1: Write the proportion equation
157,467,982.45 : 236,201,973.68 = 49,762,606.45 : x - Step 2: Convert to fraction form
157,467,982.45/236,201,973.68 = 49,762,606.45/x - Step 3: Cross multiply
157,467,982.45x = 236,201,973.68 × 49,762,606.45 - Step 4: Simplify right side
157,467,982.45x = 11,754,025,858,951,100 - Step 5: Solve for x
x = 11,754,025,858,951,100/157,467,982.45 - Step 6: Final answer
x = 74,643,909.68
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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.