Finding the Fourth Proportional to 86,249,673.62, 129,377,136.81 and 33,725,247.80
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Solution
The fourth proportional to 86,249,673.62, 129,377,136.81 and 33,725,247.80 is: 50,588,898.66
Step by Step Solution
- Step 1: Write the proportion equation
86,249,673.62 : 129,377,136.81 = 33,725,247.80 : x - Step 2: Convert to fraction form
86,249,673.62/129,377,136.81 = 33,725,247.80/x - Step 3: Cross multiply
86,249,673.62x = 129,377,136.81 × 33,725,247.80 - Step 4: Simplify right side
86,249,673.62x = 4,363,275,998,571,751 - Step 5: Solve for x
x = 4,363,275,998,571,751/86,249,673.62 - Step 6: Final answer
x = 50,588,898.66
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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.