Finding the Fourth Proportional to 307,848,727.24, 424,836,763.73 and 168,610,520.95
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Solution
The fourth proportional to 307,848,727.24, 424,836,763.73 and 168,610,520.95 is: 232,685,542.32
Step by Step Solution
- Step 1: Write the proportion equation
307,848,727.24 : 424,836,763.73 = 168,610,520.95 : x - Step 2: Convert to fraction form
307,848,727.24/424,836,763.73 = 168,610,520.95/x - Step 3: Cross multiply
307,848,727.24x = 424,836,763.73 × 168,610,520.95 - Step 4: Simplify right side
307,848,727.24x = 71,631,948,050,384,312 - Step 5: Solve for x
x = 71,631,948,050,384,312/307,848,727.24 - Step 6: Final answer
x = 232,685,542.32
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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.