Finding the Fourth Proportional to 43,729,125.80, 65,593,688.70 and 19,468,005.80
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Solution
The fourth proportional to 43,729,125.80, 65,593,688.70 and 19,468,005.80 is: 29,202,008.70
Step by Step Solution
- Step 1: Write the proportion equation
43,729,125.80 : 65,593,688.70 = 19,468,005.80 : x - Step 2: Convert to fraction form
43,729,125.80/65,593,688.70 = 19,468,005.80/x - Step 3: Cross multiply
43,729,125.80x = 65,593,688.70 × 19,468,005.80 - Step 4: Simplify right side
43,729,125.80x = 1,276,978,312,054,994.50 - Step 5: Solve for x
x = 1,276,978,312,054,994.50/43,729,125.80 - Step 6: Final answer
x = 29,202,008.70
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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.