Finding the Fourth Proportional to 117,451,878.30, 176,177,817.45 and 106,681,340.70
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Solution
The fourth proportional to 117,451,878.30, 176,177,817.45 and 106,681,340.70 is: 160,022,011.05
Step by Step Solution
- Step 1: Write the proportion equation
117,451,878.30 : 176,177,817.45 = 106,681,340.70 : x - Step 2: Convert to fraction form
117,451,878.30/176,177,817.45 = 106,681,340.70/x - Step 3: Cross multiply
117,451,878.30x = 176,177,817.45 × 106,681,340.70 - Step 4: Simplify right side
117,451,878.30x = 18,794,885,767,165,856 - Step 5: Solve for x
x = 18,794,885,767,165,856/117,451,878.30 - Step 6: Final answer
x = 160,022,011.05
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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.