Finding the Fourth Proportional to 86,838,791.63, 119,839,246.39 and 47,680,225.84
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Solution
The fourth proportional to 86,838,791.63, 119,839,246.39 and 47,680,225.84 is: 65,799,652.73
Step by Step Solution
- Step 1: Write the proportion equation
86,838,791.63 : 119,839,246.39 = 47,680,225.84 : x - Step 2: Convert to fraction form
86,838,791.63/119,839,246.39 = 47,680,225.84/x - Step 3: Cross multiply
86,838,791.63x = 119,839,246.39 × 47,680,225.84 - Step 4: Simplify right side
86,838,791.63x = 5,713,962,332,580,004 - Step 5: Solve for x
x = 5,713,962,332,580,004/86,838,791.63 - Step 6: Final answer
x = 65,799,652.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.