Finding the Fourth Proportional to 62,586,175.80, 93,879,263.70 and 39,911,359.80
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Solution
The fourth proportional to 62,586,175.80, 93,879,263.70 and 39,911,359.80 is: 59,867,039.70
Step by Step Solution
- Step 1: Write the proportion equation
62,586,175.80 : 93,879,263.70 = 39,911,359.80 : x - Step 2: Convert to fraction form
62,586,175.80/93,879,263.70 = 39,911,359.80/x - Step 3: Cross multiply
62,586,175.80x = 93,879,263.70 × 39,911,359.80 - Step 4: Simplify right side
62,586,175.80x = 3,746,849,071,289,779 - Step 5: Solve for x
x = 3,746,849,071,289,779/62,586,175.80 - Step 6: Final answer
x = 59,867,039.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.