Finding the Fourth Proportional to 135,567,911.71, 203,378,928.05 and 70,900,829.47
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Solution
The fourth proportional to 135,567,911.71, 203,378,928.05 and 70,900,829.47 is: 106,365,396.60
Step by Step Solution
- Step 1: Write the proportion equation
135,567,911.71 : 203,378,928.05 = 70,900,829.47 : x - Step 2: Convert to fraction form
135,567,911.71/203,378,928.05 = 70,900,829.47/x - Step 3: Cross multiply
135,567,911.71x = 203,378,928.05 × 70,900,829.47 - Step 4: Simplify right side
135,567,911.71x = 14,419,734,695,464,450 - Step 5: Solve for x
x = 14,419,734,695,464,450/135,567,911.71 - Step 6: Final answer
x = 106,365,396.60
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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.