Finding the Fourth Proportional to 171,868,925.10, 257,425,474.05 and 90,995,414.70
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Solution
The fourth proportional to 171,868,925.10, 257,425,474.05 and 90,995,414.70 is: 136,293,036.99
Step by Step Solution
- Step 1: Write the proportion equation
171,868,925.10 : 257,425,474.05 = 90,995,414.70 : x - Step 2: Convert to fraction form
171,868,925.10/257,425,474.05 = 90,995,414.70/x - Step 3: Cross multiply
171,868,925.10x = 257,425,474.05 × 90,995,414.70 - Step 4: Simplify right side
171,868,925.10x = 23,424,537,765,523,840 - Step 5: Solve for x
x = 23,424,537,765,523,840/171,868,925.10 - Step 6: Final answer
x = 136,293,036.99
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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.