Finding the Fourth Proportional to 146,709,905.80, 220,064,858.70 and 89,314,277.80
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Solution
The fourth proportional to 146,709,905.80, 220,064,858.70 and 89,314,277.80 is: 133,971,416.70
Step by Step Solution
- Step 1: Write the proportion equation
146,709,905.80 : 220,064,858.70 = 89,314,277.80 : x - Step 2: Convert to fraction form
146,709,905.80/220,064,858.70 = 89,314,277.80/x - Step 3: Cross multiply
146,709,905.80x = 220,064,858.70 × 89,314,277.80 - Step 4: Simplify right side
146,709,905.80x = 19,654,933,923,949,544 - Step 5: Solve for x
x = 19,654,933,923,949,544/146,709,905.80 - Step 6: Final answer
x = 133,971,416.70
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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.