Finding the Fourth Proportional to 118,849,937.99, 178,121,468.94 and 53,223,025.90
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Solution
The fourth proportional to 118,849,937.99, 178,121,468.94 and 53,223,025.90 is: 79,765,826.68
Step by Step Solution
- Step 1: Write the proportion equation
118,849,937.99 : 178,121,468.94 = 53,223,025.90 : x - Step 2: Convert to fraction form
118,849,937.99/178,121,468.94 = 53,223,025.90/x - Step 3: Cross multiply
118,849,937.99x = 178,121,468.94 × 53,223,025.90 - Step 4: Simplify right side
118,849,937.99x = 9,480,163,554,739,666 - Step 5: Solve for x
x = 9,480,163,554,739,666/118,849,937.99 - Step 6: Final answer
x = 79,765,826.68
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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.