Finding the Fourth Proportional to 221,583,294.56, 332,374,495.86 and 208,099,246.36
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Solution
The fourth proportional to 221,583,294.56, 332,374,495.86 and 208,099,246.36 is: 312,148,450.70
Step by Step Solution
- Step 1: Write the proportion equation
221,583,294.56 : 332,374,495.86 = 208,099,246.36 : x - Step 2: Convert to fraction form
221,583,294.56/332,374,495.86 = 208,099,246.36/x - Step 3: Cross multiply
221,583,294.56x = 332,374,495.86 × 208,099,246.36 - Step 4: Simplify right side
221,583,294.56x = 69,166,882,097,750,944 - Step 5: Solve for x
x = 69,166,882,097,750,944/221,583,294.56 - Step 6: Final answer
x = 312,148,450.70
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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.