Finding the Fourth Proportional to 54,118,631.36, 81,169,305.69 and 15,771,175.58
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Solution
The fourth proportional to 54,118,631.36, 81,169,305.69 and 15,771,175.58 is: 23,654,245.12
Step by Step Solution
- Step 1: Write the proportion equation
54,118,631.36 : 81,169,305.69 = 15,771,175.58 : x - Step 2: Convert to fraction form
54,118,631.36/81,169,305.69 = 15,771,175.58/x - Step 3: Cross multiply
54,118,631.36x = 81,169,305.69 × 15,771,175.58 - Step 4: Simplify right side
54,118,631.36x = 1,280,135,371,743,683 - Step 5: Solve for x
x = 1,280,135,371,743,683/54,118,631.36 - Step 6: Final answer
x = 23,654,245.12
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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.