Finding the Fourth Proportional to 119,882,775.53, 165,438,228.23 and 64,878,632.03
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Solution
The fourth proportional to 119,882,775.53, 165,438,228.23 and 64,878,632.03 is: 89,532,511.12
Step by Step Solution
- Step 1: Write the proportion equation
119,882,775.53 : 165,438,228.23 = 64,878,632.03 : x - Step 2: Convert to fraction form
119,882,775.53/165,438,228.23 = 64,878,632.03/x - Step 3: Cross multiply
119,882,775.53x = 165,438,228.23 × 64,878,632.03 - Step 4: Simplify right side
119,882,775.53x = 10,733,405,933,361,824 - Step 5: Solve for x
x = 10,733,405,933,361,824/119,882,775.53 - Step 6: Final answer
x = 89,532,511.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.