Finding the Fourth Proportional to 122,648,289.30, 183,972,434.13 and 49,848,013.62
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Solution
The fourth proportional to 122,648,289.30, 183,972,434.13 and 49,848,013.62 is: 74,772,020.50
Step by Step Solution
- Step 1: Write the proportion equation
122,648,289.30 : 183,972,434.13 = 49,848,013.62 : x - Step 2: Convert to fraction form
122,648,289.30/183,972,434.13 = 49,848,013.62/x - Step 3: Cross multiply
122,648,289.30x = 183,972,434.13 × 49,848,013.62 - Step 4: Simplify right side
122,648,289.30x = 9,170,660,402,216,792 - Step 5: Solve for x
x = 9,170,660,402,216,792/122,648,289.30 - Step 6: Final answer
x = 74,772,020.50
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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.