Finding the Fourth Proportional to 246,838,990.08, 340,672,506.48 and 152,783,305.68
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Solution
The fourth proportional to 246,838,990.08, 340,672,506.48 and 152,783,305.68 is: 210,862,439.83
Step by Step Solution
- Step 1: Write the proportion equation
246,838,990.08 : 340,672,506.48 = 152,783,305.68 : x - Step 2: Convert to fraction form
246,838,990.08/340,672,506.48 = 152,783,305.68/x - Step 3: Cross multiply
246,838,990.08x = 340,672,506.48 × 152,783,305.68 - Step 4: Simplify right side
246,838,990.08x = 52,049,071,694,305,624 - Step 5: Solve for x
x = 52,049,071,694,305,624/246,838,990.08 - Step 6: Final answer
x = 210,862,439.83
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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.