Finding the Fourth Proportional to 168,184,535.70, 252,276,803.55 and 122,834,903.70
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Solution
The fourth proportional to 168,184,535.70, 252,276,803.55 and 122,834,903.70 is: 184,252,355.55
Step by Step Solution
- Step 1: Write the proportion equation
168,184,535.70 : 252,276,803.55 = 122,834,903.70 : x - Step 2: Convert to fraction form
168,184,535.70/252,276,803.55 = 122,834,903.70/x - Step 3: Cross multiply
168,184,535.70x = 252,276,803.55 × 122,834,903.70 - Step 4: Simplify right side
168,184,535.70x = 30,988,396,869,808,072 - Step 5: Solve for x
x = 30,988,396,869,808,072/168,184,535.70 - Step 6: Final answer
x = 184,252,355.55
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1.5x scale
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.