Finding the Fourth Proportional to 76,833,325.97, 106,028,743.90 and 42,025,711.94
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Solution
The fourth proportional to 76,833,325.97, 106,028,743.90 and 42,025,711.94 is: 57,994,800.98
Step by Step Solution
- Step 1: Write the proportion equation
76,833,325.97 : 106,028,743.90 = 42,025,711.94 : x - Step 2: Convert to fraction form
76,833,325.97/106,028,743.90 = 42,025,711.94/x - Step 3: Cross multiply
76,833,325.97x = 106,028,743.90 × 42,025,711.94 - Step 4: Simplify right side
76,833,325.97x = 4,455,933,448,501,432 - Step 5: Solve for x
x = 4,455,933,448,501,432/76,833,325.97 - Step 6: Final answer
x = 57,994,800.98
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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.