Finding the Fourth Proportional to 76,640,929.08, 105,748,693.74 and 44,039,582.52
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Solution
The fourth proportional to 76,640,929.08, 105,748,693.74 and 44,039,582.52 is: 60,765,551.52
Step by Step Solution
- Step 1: Write the proportion equation
76,640,929.08 : 105,748,693.74 = 44,039,582.52 : x - Step 2: Convert to fraction form
76,640,929.08/105,748,693.74 = 44,039,582.52/x - Step 3: Cross multiply
76,640,929.08x = 105,748,693.74 × 44,039,582.52 - Step 4: Simplify right side
76,640,929.08x = 4,657,128,324,344,938 - Step 5: Solve for x
x = 4,657,128,324,344,938/76,640,929.08 - Step 6: Final answer
x = 60,765,551.52
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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.