Finding the Fourth Proportional to 88,664,303.38, 122,289,405.68 and 76,295,124.94
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Solution
The fourth proportional to 88,664,303.38, 122,289,405.68 and 76,295,124.94 is: 105,229,332.77
Step by Step Solution
- Step 1: Write the proportion equation
88,664,303.38 : 122,289,405.68 = 76,295,124.94 : x - Step 2: Convert to fraction form
88,664,303.38/122,289,405.68 = 76,295,124.94/x - Step 3: Cross multiply
88,664,303.38x = 122,289,405.68 × 76,295,124.94 - Step 4: Simplify right side
88,664,303.38x = 9,330,085,485,193,946 - Step 5: Solve for x
x = 9,330,085,485,193,946/88,664,303.38 - Step 6: Final answer
x = 105,229,332.77
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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.