Finding the Fourth Proportional to 126,652,482.36, 174,780,762.12 and 68,705,730.36
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Solution
The fourth proportional to 126,652,482.36, 174,780,762.12 and 68,705,730.36 is: 94,814,090.42
Step by Step Solution
- Step 1: Write the proportion equation
126,652,482.36 : 174,780,762.12 = 68,705,730.36 : x - Step 2: Convert to fraction form
126,652,482.36/174,780,762.12 = 68,705,730.36/x - Step 3: Cross multiply
126,652,482.36x = 174,780,762.12 × 68,705,730.36 - Step 4: Simplify right side
126,652,482.36x = 12,008,439,914,332,022 - Step 5: Solve for x
x = 12,008,439,914,332,022/126,652,482.36 - Step 6: Final answer
x = 94,814,090.42
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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.