Finding the Fourth Proportional to 362,437,479.99, 543,433,726.92 and 140,850,088.99
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Solution
The fourth proportional to 362,437,479.99, 543,433,726.92 and 140,850,088.99 is: 211,188,668.45
Step by Step Solution
- Step 1: Write the proportion equation
362,437,479.99 : 543,433,726.92 = 140,850,088.99 : x - Step 2: Convert to fraction form
362,437,479.99/543,433,726.92 = 140,850,088.99/x - Step 3: Cross multiply
362,437,479.99x = 543,433,726.92 × 140,850,088.99 - Step 4: Simplify right side
362,437,479.99x = 76,542,688,796,849,360 - Step 5: Solve for x
x = 76,542,688,796,849,360/362,437,479.99 - Step 6: Final answer
x = 211,188,668.45
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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.