Finding the Fourth Proportional to 54,578,412.30, 81,812,506.05 and 27,242,661.90
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Solution
The fourth proportional to 54,578,412.30, 81,812,506.05 and 27,242,661.90 is: 40,836,483.65
Step by Step Solution
- Step 1: Write the proportion equation
54,578,412.30 : 81,812,506.05 = 27,242,661.90 : x - Step 2: Convert to fraction form
54,578,412.30/81,812,506.05 = 27,242,661.90/x - Step 3: Cross multiply
54,578,412.30x = 81,812,506.05 × 27,242,661.90 - Step 4: Simplify right side
54,578,412.30x = 2,228,790,441,511,854.25 - Step 5: Solve for x
x = 2,228,790,441,511,854.25/54,578,412.30 - Step 6: Final answer
x = 40,836,483.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.