Finding the Fourth Proportional to 76,958,207.67, 115,447,940.33 and 25,854,841.11
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Solution
The fourth proportional to 76,958,207.67, 115,447,940.33 and 25,854,841.11 is: 38,785,832.52
Step by Step Solution
- Step 1: Write the proportion equation
76,958,207.67 : 115,447,940.33 = 25,854,841.11 : x - Step 2: Convert to fraction form
76,958,207.67/115,447,940.33 = 25,854,841.11/x - Step 3: Cross multiply
76,958,207.67x = 115,447,940.33 × 25,854,841.11 - Step 4: Simplify right side
76,958,207.67x = 2,984,888,153,579,637 - Step 5: Solve for x
x = 2,984,888,153,579,637/76,958,207.67 - Step 6: Final answer
x = 38,785,832.52
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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.