Finding the Fourth Proportional to 45,418,125.74, 68,103,249.16 and 19,829,241.59
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Solution
The fourth proportional to 45,418,125.74, 68,103,249.16 and 19,829,241.59 is: 29,733,410.59
Step by Step Solution
- Step 1: Write the proportion equation
45,418,125.74 : 68,103,249.16 = 19,829,241.59 : x - Step 2: Convert to fraction form
45,418,125.74/68,103,249.16 = 19,829,241.59/x - Step 3: Cross multiply
45,418,125.74x = 68,103,249.16 × 19,829,241.59 - Step 4: Simplify right side
45,418,125.74x = 1,350,435,780,657,604.50 - Step 5: Solve for x
x = 1,350,435,780,657,604.50/45,418,125.74 - Step 6: Final answer
x = 29,733,410.59
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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.