Finding the Fourth Proportional to 251,614,136.57, 347,224,197.59 and 138,581,457.87
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Solution
The fourth proportional to 251,614,136.57, 347,224,197.59 and 138,581,457.87 is: 191,240,588.33
Step by Step Solution
- Step 1: Write the proportion equation
251,614,136.57 : 347,224,197.59 = 138,581,457.87 : x - Step 2: Convert to fraction form
251,614,136.57/347,224,197.59 = 138,581,457.87/x - Step 3: Cross multiply
251,614,136.57x = 347,224,197.59 × 138,581,457.87 - Step 4: Simplify right side
251,614,136.57x = 48,118,835,509,070,232 - Step 5: Solve for x
x = 48,118,835,509,070,232/251,614,136.57 - Step 6: Final answer
x = 191,240,588.33
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.