Finding the Fourth Proportional to 96,779,404.80, 145,169,107.20 and 87,821,452.80
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Solution
The fourth proportional to 96,779,404.80, 145,169,107.20 and 87,821,452.80 is: 131,732,179.20
Step by Step Solution
- Step 1: Write the proportion equation
96,779,404.80 : 145,169,107.20 = 87,821,452.80 : x - Step 2: Convert to fraction form
96,779,404.80/145,169,107.20 = 87,821,452.80/x - Step 3: Cross multiply
96,779,404.80x = 145,169,107.20 × 87,821,452.80 - Step 4: Simplify right side
96,779,404.80x = 12,748,961,895,982,938 - Step 5: Solve for x
x = 12,748,961,895,982,938/96,779,404.80 - Step 6: Final answer
x = 131,732,179.20
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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.