Finding the Fourth Proportional to 141,786,719.27, 212,681,772.34 and 39,544,536.23
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Solution
The fourth proportional to 141,786,719.27, 212,681,772.34 and 39,544,536.23 is: 59,317,276.65
Step by Step Solution
- Step 1: Write the proportion equation
141,786,719.27 : 212,681,772.34 = 39,544,536.23 : x - Step 2: Convert to fraction form
141,786,719.27/212,681,772.34 = 39,544,536.23/x - Step 3: Cross multiply
141,786,719.27x = 212,681,772.34 × 39,544,536.23 - Step 4: Simplify right side
141,786,719.27x = 8,410,402,051,759,741 - Step 5: Solve for x
x = 8,410,402,051,759,741/141,786,719.27 - Step 6: Final answer
x = 59,317,276.65
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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.