Finding the Fourth Proportional to 54,166,384.95, 74,749,753.20 and 29,386,570.53
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Solution
The fourth proportional to 54,166,384.95, 74,749,753.20 and 29,386,570.53 is: 40,553,544.35
Step by Step Solution
- Step 1: Write the proportion equation
54,166,384.95 : 74,749,753.20 = 29,386,570.53 : x - Step 2: Convert to fraction form
54,166,384.95/74,749,753.20 = 29,386,570.53/x - Step 3: Cross multiply
54,166,384.95x = 74,749,753.20 × 29,386,570.53 - Step 4: Simplify right side
54,166,384.95x = 2,196,638,894,511,893.25 - Step 5: Solve for x
x = 2,196,638,894,511,893.25/54,166,384.95 - Step 6: Final answer
x = 40,553,544.35
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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.