Finding the Fourth Proportional to 118,465,320.70, 177,697,981.05 and 98,309,928.70
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Solution
The fourth proportional to 118,465,320.70, 177,697,981.05 and 98,309,928.70 is: 147,464,893.05
Step by Step Solution
- Step 1: Write the proportion equation
118,465,320.70 : 177,697,981.05 = 98,309,928.70 : x - Step 2: Convert to fraction form
118,465,320.70/177,697,981.05 = 98,309,928.70/x - Step 3: Cross multiply
118,465,320.70x = 177,697,981.05 × 98,309,928.70 - Step 4: Simplify right side
118,465,320.70x = 17,469,475,847,159,452 - Step 5: Solve for x
x = 17,469,475,847,159,452/118,465,320.70 - Step 6: Final answer
x = 147,464,893.05
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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.