Finding the Fourth Proportional to 74,880,140.30, 112,320,210.45 and 62,786,905.10
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Solution
The fourth proportional to 74,880,140.30, 112,320,210.45 and 62,786,905.10 is: 94,180,357.65
Step by Step Solution
- Step 1: Write the proportion equation
74,880,140.30 : 112,320,210.45 = 62,786,905.10 : x - Step 2: Convert to fraction form
74,880,140.30/112,320,210.45 = 62,786,905.10/x - Step 3: Cross multiply
74,880,140.30x = 112,320,210.45 × 62,786,905.10 - Step 4: Simplify right side
74,880,140.30x = 7,052,238,394,336,179 - Step 5: Solve for x
x = 7,052,238,394,336,179/74,880,140.30 - Step 6: Final answer
x = 94,180,357.65
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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.