Finding the Fourth Proportional to 73,408,382.80, 110,112,185.40 and 18,820,862.80
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Solution
The fourth proportional to 73,408,382.80, 110,112,185.40 and 18,820,862.80 is: 28,231,194.52
Step by Step Solution
- Step 1: Write the proportion equation
73,408,382.80 : 110,112,185.40 = 18,820,862.80 : x - Step 2: Convert to fraction form
73,408,382.80/110,112,185.40 = 18,820,862.80/x - Step 3: Cross multiply
73,408,382.80x = 110,112,185.40 × 18,820,862.80 - Step 4: Simplify right side
73,408,382.80x = 2,072,406,334,021,563.25 - Step 5: Solve for x
x = 2,072,406,334,021,563.25/73,408,382.80 - Step 6: Final answer
x = 28,231,194.52
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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.