Finding the Fourth Proportional to 157,624,395.07, 217,535,110.73 and 88,023,222.13
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Solution
The fourth proportional to 157,624,395.07, 217,535,110.73 and 88,023,222.13 is: 121,479,555.02
Step by Step Solution
- Step 1: Write the proportion equation
157,624,395.07 : 217,535,110.73 = 88,023,222.13 : x - Step 2: Convert to fraction form
157,624,395.07/217,535,110.73 = 88,023,222.13/x - Step 3: Cross multiply
157,624,395.07x = 217,535,110.73 × 88,023,222.13 - Step 4: Simplify right side
157,624,395.07x = 19,148,141,373,110,300 - Step 5: Solve for x
x = 19,148,141,373,110,300/157,624,395.07 - Step 6: Final answer
x = 121,479,555.02
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1.5x scale
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.