Finding the Fourth Proportional to 122,582,795.90, 169,165,412.61 and 67,580,620.70
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Solution
The fourth proportional to 122,582,795.90, 169,165,412.61 and 67,580,620.70 is: 93,261,892.92
Step by Step Solution
- Step 1: Write the proportion equation
122,582,795.90 : 169,165,412.61 = 67,580,620.70 : x - Step 2: Convert to fraction form
122,582,795.90/169,165,412.61 = 67,580,620.70/x - Step 3: Cross multiply
122,582,795.90x = 169,165,412.61 × 67,580,620.70 - Step 4: Simplify right side
122,582,795.90x = 11,432,303,585,155,408 - Step 5: Solve for x
x = 11,432,303,585,155,408/122,582,795.90 - Step 6: Final answer
x = 93,261,892.92
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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.