Finding the Fourth Proportional to 126,782,973.39, 174,964,828.42 and 71,030,744.67
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Solution
The fourth proportional to 126,782,973.39, 174,964,828.42 and 71,030,744.67 is: 98,024,850.83
Step by Step Solution
- Step 1: Write the proportion equation
126,782,973.39 : 174,964,828.42 = 71,030,744.67 : x - Step 2: Convert to fraction form
126,782,973.39/174,964,828.42 = 71,030,744.67/x - Step 3: Cross multiply
126,782,973.39x = 174,964,828.42 × 71,030,744.67 - Step 4: Simplify right side
126,782,973.39x = 12,427,882,053,731,378 - Step 5: Solve for x
x = 12,427,882,053,731,378/126,782,973.39 - Step 6: Final answer
x = 98,024,850.83
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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.