Finding the Fourth Proportional to 307,848,730.99, 424,836,768.90 and 168,610,524.70
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Solution
The fourth proportional to 307,848,730.99, 424,836,768.90 and 168,610,524.70 is: 232,685,547.50
Step by Step Solution
- Step 1: Write the proportion equation
307,848,730.99 : 424,836,768.90 = 168,610,524.70 : x - Step 2: Convert to fraction form
307,848,730.99/424,836,768.90 = 168,610,524.70/x - Step 3: Cross multiply
307,848,730.99x = 424,836,768.90 × 168,610,524.70 - Step 4: Simplify right side
307,848,730.99x = 71,631,950,516,081,632 - Step 5: Solve for x
x = 71,631,950,516,081,632/307,848,730.99 - Step 6: Final answer
x = 232,685,547.50
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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.