Finding the Fourth Proportional to 67,485,190.16, 93,129,612.36 and 36,545,393.36
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Solution
The fourth proportional to 67,485,190.16, 93,129,612.36 and 36,545,393.36 is: 50,432,669.88
Step by Step Solution
- Step 1: Write the proportion equation
67,485,190.16 : 93,129,612.36 = 36,545,393.36 : x - Step 2: Convert to fraction form
67,485,190.16/93,129,612.36 = 36,545,393.36/x - Step 3: Cross multiply
67,485,190.16x = 93,129,612.36 × 36,545,393.36 - Step 4: Simplify right side
67,485,190.16x = 3,403,458,317,160,518 - Step 5: Solve for x
x = 3,403,458,317,160,518/67,485,190.16 - Step 6: Final answer
x = 50,432,669.88
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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.