Finding the Fourth Proportional to 74,893,973.84, 103,344,732.72 and 41,398,928.18
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Solution
The fourth proportional to 74,893,973.84, 103,344,732.72 and 41,398,928.18 is: 57,125,572.97
Step by Step Solution
- Step 1: Write the proportion equation
74,893,973.84 : 103,344,732.72 = 41,398,928.18 : x - Step 2: Convert to fraction form
74,893,973.84/103,344,732.72 = 41,398,928.18/x - Step 3: Cross multiply
74,893,973.84x = 103,344,732.72 × 41,398,928.18 - Step 4: Simplify right side
74,893,973.84x = 4,278,361,167,656,576 - Step 5: Solve for x
x = 4,278,361,167,656,576/74,893,973.84 - Step 6: Final answer
x = 57,125,572.97
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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.