Finding the Fourth Proportional to 122,386,801.20, 183,580,201.80 and 41,607,769.20
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Solution
The fourth proportional to 122,386,801.20, 183,580,201.80 and 41,607,769.20 is: 62,411,653.80
Step by Step Solution
- Step 1: Write the proportion equation
122,386,801.20 : 183,580,201.80 = 41,607,769.20 : x - Step 2: Convert to fraction form
122,386,801.20/183,580,201.80 = 41,607,769.20/x - Step 3: Cross multiply
122,386,801.20x = 183,580,201.80 × 41,607,769.20 - Step 4: Simplify right side
122,386,801.20x = 7,638,362,666,183,826 - Step 5: Solve for x
x = 7,638,362,666,183,826/122,386,801.20 - Step 6: Final answer
x = 62,411,653.80
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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.