Finding the Fourth Proportional to 76,640,930.58, 105,748,695.81 and 44,039,584.02
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Solution
The fourth proportional to 76,640,930.58, 105,748,695.81 and 44,039,584.02 is: 60,765,553.59
Step by Step Solution
- Step 1: Write the proportion equation
76,640,930.58 : 105,748,695.81 = 44,039,584.02 : x - Step 2: Convert to fraction form
76,640,930.58/105,748,695.81 = 44,039,584.02/x - Step 3: Cross multiply
76,640,930.58x = 105,748,695.81 × 44,039,584.02 - Step 4: Simplify right side
76,640,930.58x = 4,657,128,574,129,917 - Step 5: Solve for x
x = 4,657,128,574,129,917/76,640,930.58 - Step 6: Final answer
x = 60,765,553.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.