Finding the Fourth Proportional to 105,593,244.10, 145,718,990.73 and 58,553,631.45
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Solution
The fourth proportional to 105,593,244.10, 145,718,990.73 and 58,553,631.45 is: 80,804,185.45
Step by Step Solution
- Step 1: Write the proportion equation
105,593,244.10 : 145,718,990.73 = 58,553,631.45 : x - Step 2: Convert to fraction form
105,593,244.10/145,718,990.73 = 58,553,631.45/x - Step 3: Cross multiply
105,593,244.10x = 145,718,990.73 × 58,553,631.45 - Step 4: Simplify right side
105,593,244.10x = 8,532,376,078,470,386 - Step 5: Solve for x
x = 8,532,376,078,470,386/105,593,244.10 - Step 6: Final answer
x = 80,804,185.45
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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.