Finding the Fourth Proportional to 142,717,024.40, 200,206,942 and 142,717,024.40
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Solution
The fourth proportional to 142,717,024.40, 200,206,942 and 142,717,024.40 is: 200,206,942
Step by Step Solution
- Step 1: Write the proportion equation
142,717,024.40 : 200,206,942 = 142,717,024.40 : x - Step 2: Convert to fraction form
142,717,024.40/200,206,942 = 142,717,024.40/x - Step 3: Cross multiply
142,717,024.40x = 200,206,942 × 142,717,024.40 - Step 4: Simplify right side
142,717,024.40x = 28,572,939,026,463,384 - Step 5: Solve for x
x = 28,572,939,026,463,384/142,717,024.40 - Step 6: Final answer
x = 200,206,942
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.