Finding the Fourth Proportional to 154,815,689.36, 232,168,202.04 and 51,165,711.20
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Solution
The fourth proportional to 154,815,689.36, 232,168,202.04 and 51,165,711.20 is: 76,730,279.89
Step by Step Solution
- Step 1: Write the proportion equation
154,815,689.36 : 232,168,202.04 = 51,165,711.20 : x - Step 2: Convert to fraction form
154,815,689.36/232,168,202.04 = 51,165,711.20/x - Step 3: Cross multiply
154,815,689.36x = 232,168,202.04 × 51,165,711.20 - Step 4: Simplify right side
154,815,689.36x = 11,879,051,175,401,892 - Step 5: Solve for x
x = 11,879,051,175,401,892/154,815,689.36 - Step 6: Final answer
x = 76,730,279.89
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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.