Finding the Fourth Proportional to 100,508,867.23, 150,720,453.04 and 38,249,557.62
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Solution
The fourth proportional to 100,508,867.23, 150,720,453.04 and 38,249,557.62 is: 57,358,030.31
Step by Step Solution
- Step 1: Write the proportion equation
100,508,867.23 : 150,720,453.04 = 38,249,557.62 : x - Step 2: Convert to fraction form
100,508,867.23/150,720,453.04 = 38,249,557.62/x - Step 3: Cross multiply
100,508,867.23x = 150,720,453.04 × 38,249,557.62 - Step 4: Simplify right side
100,508,867.23x = 5,764,990,653,065,983 - Step 5: Solve for x
x = 5,764,990,653,065,983/100,508,867.23 - Step 6: Final answer
x = 57,358,030.31
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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.