Finding the Fourth Proportional to 136,315,109.40, 204,467,415.30 and 45,438,698.40
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Solution
The fourth proportional to 136,315,109.40, 204,467,415.30 and 45,438,698.40 is: 68,156,297.99
Step by Step Solution
- Step 1: Write the proportion equation
136,315,109.40 : 204,467,415.30 = 45,438,698.40 : x - Step 2: Convert to fraction form
136,315,109.40/204,467,415.30 = 45,438,698.40/x - Step 3: Cross multiply
136,315,109.40x = 204,467,415.30 × 45,438,698.40 - Step 4: Simplify right side
136,315,109.40x = 9,290,733,216,444,246 - Step 5: Solve for x
x = 9,290,733,216,444,246/136,315,109.40 - Step 6: Final answer
x = 68,156,297.99
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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.