Finding the Fourth Proportional to 118,465,298.70, 177,697,948.05 and 98,309,906.70
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Solution
The fourth proportional to 118,465,298.70, 177,697,948.05 and 98,309,906.70 is: 147,464,860.05
Step by Step Solution
- Step 1: Write the proportion equation
118,465,298.70 : 177,697,948.05 = 98,309,906.70 : x - Step 2: Convert to fraction form
118,465,298.70/177,697,948.05 = 98,309,906.70/x - Step 3: Cross multiply
118,465,298.70x = 177,697,948.05 × 98,309,906.70 - Step 4: Simplify right side
118,465,298.70x = 17,469,468,693,576,948 - Step 5: Solve for x
x = 17,469,468,693,576,948/118,465,298.70 - Step 6: Final answer
x = 147,464,860.05
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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.