Finding the Fourth Proportional to 77,394,697.62, 116,092,029.14 and 28,214,237.98
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Solution
The fourth proportional to 77,394,697.62, 116,092,029.14 and 28,214,237.98 is: 42,321,350.67
Step by Step Solution
- Step 1: Write the proportion equation
77,394,697.62 : 116,092,029.14 = 28,214,237.98 : x - Step 2: Convert to fraction form
77,394,697.62/116,092,029.14 = 28,214,237.98/x - Step 3: Cross multiply
77,394,697.62x = 116,092,029.14 × 28,214,237.98 - Step 4: Simplify right side
77,394,697.62x = 3,275,448,137,737,055 - Step 5: Solve for x
x = 3,275,448,137,737,055/77,394,697.62 - Step 6: Final answer
x = 42,321,350.67
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1.5x scale
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.