Finding the Fourth Proportional to 69,813,231.58, 96,340,283.91 and 38,022,680.65
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Solution
The fourth proportional to 69,813,231.58, 96,340,283.91 and 38,022,680.65 is: 52,470,223.28
Step by Step Solution
- Step 1: Write the proportion equation
69,813,231.58 : 96,340,283.91 = 38,022,680.65 : x - Step 2: Convert to fraction form
69,813,231.58/96,340,283.91 = 38,022,680.65/x - Step 3: Cross multiply
69,813,231.58x = 96,340,283.91 × 38,022,680.65 - Step 4: Simplify right side
69,813,231.58x = 3,663,115,848,840,263 - Step 5: Solve for x
x = 3,663,115,848,840,263/69,813,231.58 - Step 6: Final answer
x = 52,470,223.28
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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.