Finding the Fourth Proportional to 103,430,341.11, 155,168,212.74 and 30,652,825.87
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Solution
The fourth proportional to 103,430,341.11, 155,168,212.74 and 30,652,825.87 is: 45,985,966.53
Step by Step Solution
- Step 1: Write the proportion equation
103,430,341.11 : 155,168,212.74 = 30,652,825.87 : x - Step 2: Convert to fraction form
103,430,341.11/155,168,212.74 = 30,652,825.87/x - Step 3: Cross multiply
103,430,341.11x = 155,168,212.74 × 30,652,825.87 - Step 4: Simplify right side
103,430,341.11x = 4,756,344,204,749,231 - Step 5: Solve for x
x = 4,756,344,204,749,231/103,430,341.11 - Step 6: Final answer
x = 45,985,966.53
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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.