Finding the Fourth Proportional to 166,817,198.70, 250,239,415.08 and 83,776,243.98
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Solution
The fourth proportional to 166,817,198.70, 250,239,415.08 and 83,776,243.98 is: 125,671,204.50
Step by Step Solution
- Step 1: Write the proportion equation
166,817,198.70 : 250,239,415.08 = 83,776,243.98 : x - Step 2: Convert to fraction form
166,817,198.70/250,239,415.08 = 83,776,243.98/x - Step 3: Cross multiply
166,817,198.70x = 250,239,415.08 × 83,776,243.98 - Step 4: Simplify right side
166,817,198.70x = 20,964,118,291,154,572 - Step 5: Solve for x
x = 20,964,118,291,154,572/166,817,198.70 - Step 6: Final answer
x = 125,671,204.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.