Finding the Fourth Proportional to 126,338,141.21, 174,343,422.87 and 70,583,980.41
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Solution
The fourth proportional to 126,338,141.21, 174,343,422.87 and 70,583,980.41 is: 97,404,098.45
Step by Step Solution
- Step 1: Write the proportion equation
126,338,141.21 : 174,343,422.87 = 70,583,980.41 : x - Step 2: Convert to fraction form
126,338,141.21/174,343,422.87 = 70,583,980.41/x - Step 3: Cross multiply
126,338,141.21x = 174,343,422.87 × 70,583,980.41 - Step 4: Simplify right side
126,338,141.21x = 12,305,852,744,468,426 - Step 5: Solve for x
x = 12,305,852,744,468,426/126,338,141.21 - Step 6: Final answer
x = 97,404,098.45
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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.