Finding the Fourth Proportional to 142,884,205.76, 214,332,120.56 and 68,062,973.65
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Solution
The fourth proportional to 142,884,205.76, 214,332,120.56 and 68,062,973.65 is: 102,097,228.99
Step by Step Solution
- Step 1: Write the proportion equation
142,884,205.76 : 214,332,120.56 = 68,062,973.65 : x - Step 2: Convert to fraction form
142,884,205.76/214,332,120.56 = 68,062,973.65/x - Step 3: Cross multiply
142,884,205.76x = 214,332,120.56 × 68,062,973.65 - Step 4: Simplify right side
142,884,205.76x = 14,588,081,474,023,904 - Step 5: Solve for x
x = 14,588,081,474,023,904/142,884,205.76 - Step 6: Final answer
x = 102,097,228.99
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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.