Finding the Fourth Proportional to 130,605,309.87, 195,936,308.34 and 39,726,536.91
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Solution
The fourth proportional to 130,605,309.87, 195,936,308.34 and 39,726,536.91 is: 59,598,426.68
Step by Step Solution
- Step 1: Write the proportion equation
130,605,309.87 : 195,936,308.34 = 39,726,536.91 : x - Step 2: Convert to fraction form
130,605,309.87/195,936,308.34 = 39,726,536.91/x - Step 3: Cross multiply
130,605,309.87x = 195,936,308.34 × 39,726,536.91 - Step 4: Simplify right side
130,605,309.87x = 7,783,870,984,394,415 - Step 5: Solve for x
x = 7,783,870,984,394,415/130,605,309.87 - Step 6: Final answer
x = 59,598,426.68
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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.