Finding the Fourth Proportional to 68,460,916.10, 102,692,499.69 and 19,277,952.41
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Solution
The fourth proportional to 68,460,916.10, 102,692,499.69 and 19,277,952.41 is: 28,917,245.56
Step by Step Solution
- Step 1: Write the proportion equation
68,460,916.10 : 102,692,499.69 = 19,277,952.41 : x - Step 2: Convert to fraction form
68,460,916.10/102,692,499.69 = 19,277,952.41/x - Step 3: Cross multiply
68,460,916.10x = 102,692,499.69 × 19,277,952.41 - Step 4: Simplify right side
68,460,916.10x = 1,979,701,122,108,248.50 - Step 5: Solve for x
x = 1,979,701,122,108,248.50/68,460,916.10 - Step 6: Final answer
x = 28,917,245.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.