Finding the Fourth Proportional to 236,820,128.49, 355,280,898.33 and 70,836,669.99
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Solution
The fourth proportional to 236,820,128.49, 355,280,898.33 and 70,836,669.99 is: 106,270,171.84
Step by Step Solution
- Step 1: Write the proportion equation
236,820,128.49 : 355,280,898.33 = 70,836,669.99 : x - Step 2: Convert to fraction form
236,820,128.49/355,280,898.33 = 70,836,669.99/x - Step 3: Cross multiply
236,820,128.49x = 355,280,898.33 × 70,836,669.99 - Step 4: Simplify right side
236,820,128.49x = 25,166,915,748,752,948 - Step 5: Solve for x
x = 25,166,915,748,752,948/236,820,128.49 - Step 6: Final answer
x = 106,270,171.84
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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.