Finding the Fourth Proportional to 84,930,759.58, 127,375,143.90 and 36,403,110.40
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Solution
The fourth proportional to 84,930,759.58, 127,375,143.90 and 36,403,110.40 is: 54,595,666.50
Step by Step Solution
- Step 1: Write the proportion equation
84,930,759.58 : 127,375,143.90 = 36,403,110.40 : x - Step 2: Convert to fraction form
84,930,759.58/127,375,143.90 = 36,403,110.40/x - Step 3: Cross multiply
84,930,759.58x = 127,375,143.90 × 36,403,110.40 - Step 4: Simplify right side
84,930,759.58x = 4,636,851,425,607,587 - Step 5: Solve for x
x = 4,636,851,425,607,587/84,930,759.58 - Step 6: Final answer
x = 54,595,666.50
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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.