Finding the Fourth Proportional to 157,650,040.01, 217,513,369.58 and 90,665,346.49
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Solution
The fourth proportional to 157,650,040.01, 217,513,369.58 and 90,665,346.49 is: 125,093,054.32
Step by Step Solution
- Step 1: Write the proportion equation
157,650,040.01 : 217,513,369.58 = 90,665,346.49 : x - Step 2: Convert to fraction form
157,650,040.01/217,513,369.58 = 90,665,346.49/x - Step 3: Cross multiply
157,650,040.01x = 217,513,369.58 × 90,665,346.49 - Step 4: Simplify right side
157,650,040.01x = 19,720,925,018,181,012 - Step 5: Solve for x
x = 19,720,925,018,181,012/157,650,040.01 - Step 6: Final answer
x = 125,093,054.32
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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.