Finding the Fourth Proportional to 262,357,604.30, 393,774,352.05 and 133,055,165.90
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Solution
The fourth proportional to 262,357,604.30, 393,774,352.05 and 133,055,165.90 is: 199,703,423.42
Step by Step Solution
- Step 1: Write the proportion equation
262,357,604.30 : 393,774,352.05 = 133,055,165.90 : x - Step 2: Convert to fraction form
262,357,604.30/393,774,352.05 = 133,055,165.90/x - Step 3: Cross multiply
262,357,604.30x = 393,774,352.05 × 133,055,165.90 - Step 4: Simplify right side
262,357,604.30x = 52,393,711,739,177,760 - Step 5: Solve for x
x = 52,393,711,739,177,760/262,357,604.30 - Step 6: Final answer
x = 199,703,423.42
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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.