Finding the Fourth Proportional to 154,763,003.36, 213,574,639.75 and 84,199,014.68
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Solution
The fourth proportional to 154,763,003.36, 213,574,639.75 and 84,199,014.68 is: 116,195,562.48
Step by Step Solution
- Step 1: Write the proportion equation
154,763,003.36 : 213,574,639.75 = 84,199,014.68 : x - Step 2: Convert to fraction form
154,763,003.36/213,574,639.75 = 84,199,014.68/x - Step 3: Cross multiply
154,763,003.36x = 213,574,639.75 × 84,199,014.68 - Step 4: Simplify right side
154,763,003.36x = 17,982,774,226,307,590 - Step 5: Solve for x
x = 17,982,774,226,307,590/154,763,003.36 - Step 6: Final answer
x = 116,195,562.48
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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.