Finding the Fourth Proportional to 114,471,129.40, 171,454,751.70 and 68,953,535.80
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Solution
The fourth proportional to 114,471,129.40, 171,454,751.70 and 68,953,535.80 is: 103,278,542.12
Step by Step Solution
- Step 1: Write the proportion equation
114,471,129.40 : 171,454,751.70 = 68,953,535.80 : x - Step 2: Convert to fraction form
114,471,129.40/171,454,751.70 = 68,953,535.80/x - Step 3: Cross multiply
114,471,129.40x = 171,454,751.70 × 68,953,535.80 - Step 4: Simplify right side
114,471,129.40x = 11,822,411,359,426,060 - Step 5: Solve for x
x = 11,822,411,359,426,060/114,471,129.40 - Step 6: Final answer
x = 103,278,542.12
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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.