Finding the Fourth Proportional to 149,205,842.20, 223,742,408.10 and 68,451,563.80
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Solution
The fourth proportional to 149,205,842.20, 223,742,408.10 and 68,451,563.80 is: 102,646,903.75
Step by Step Solution
- Step 1: Write the proportion equation
149,205,842.20 : 223,742,408.10 = 68,451,563.80 : x - Step 2: Convert to fraction form
149,205,842.20/223,742,408.10 = 68,451,563.80/x - Step 3: Cross multiply
149,205,842.20x = 223,742,408.10 × 68,451,563.80 - Step 4: Simplify right side
149,205,842.20x = 15,315,517,722,822,786 - Step 5: Solve for x
x = 15,315,517,722,822,786/149,205,842.20 - Step 6: Final answer
x = 102,646,903.75
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.