Finding the Fourth Proportional to 79,713,612.30, 119,598,412.05 and 34,289,330.70
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Solution
The fourth proportional to 79,713,612.30, 119,598,412.05 and 34,289,330.70 is: 51,446,037.68
Step by Step Solution
- Step 1: Write the proportion equation
79,713,612.30 : 119,598,412.05 = 34,289,330.70 : x - Step 2: Convert to fraction form
79,713,612.30/119,598,412.05 = 34,289,330.70/x - Step 3: Cross multiply
79,713,612.30x = 119,598,412.05 × 34,289,330.70 - Step 4: Simplify right side
79,713,612.30x = 4,100,949,501,977,315 - Step 5: Solve for x
x = 4,100,949,501,977,315/79,713,612.30 - Step 6: Final answer
x = 51,446,037.68
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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.