Finding the Fourth Proportional to 316,855,421.46, 475,190,928.27 and 122,723,537.94
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Solution
The fourth proportional to 316,855,421.46, 475,190,928.27 and 122,723,537.94 is: 184,049,594.75
Step by Step Solution
- Step 1: Write the proportion equation
316,855,421.46 : 475,190,928.27 = 122,723,537.94 : x - Step 2: Convert to fraction form
316,855,421.46/475,190,928.27 = 122,723,537.94/x - Step 3: Cross multiply
316,855,421.46x = 475,190,928.27 × 122,723,537.94 - Step 4: Simplify right side
316,855,421.46x = 58,317,111,914,287,160 - Step 5: Solve for x
x = 58,317,111,914,287,160/316,855,421.46 - Step 6: Final answer
x = 184,049,594.75
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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.