Finding the Fourth Proportional to 257,716,673.07, 355,649,066.84 and 141,823,169.07
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Solution
The fourth proportional to 257,716,673.07, 355,649,066.84 and 141,823,169.07 is: 195,716,005.23
Step by Step Solution
- Step 1: Write the proportion equation
257,716,673.07 : 355,649,066.84 = 141,823,169.07 : x - Step 2: Convert to fraction form
257,716,673.07/355,649,066.84 = 141,823,169.07/x - Step 3: Cross multiply
257,716,673.07x = 355,649,066.84 × 141,823,169.07 - Step 4: Simplify right side
257,716,673.07x = 50,439,277,735,327,928 - Step 5: Solve for x
x = 50,439,277,735,327,928/257,716,673.07 - Step 6: Final answer
x = 195,716,005.23
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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.