Finding the Fourth Proportional to 168,492,740.70, 252,739,111.05 and 149,360,864.70
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Solution
The fourth proportional to 168,492,740.70, 252,739,111.05 and 149,360,864.70 is: 224,041,297.05
Step by Step Solution
- Step 1: Write the proportion equation
168,492,740.70 : 252,739,111.05 = 149,360,864.70 : x - Step 2: Convert to fraction form
168,492,740.70/252,739,111.05 = 149,360,864.70/x - Step 3: Cross multiply
168,492,740.70x = 252,739,111.05 × 149,360,864.70 - Step 4: Simplify right side
168,492,740.70x = 37,749,332,169,937,320 - Step 5: Solve for x
x = 37,749,332,169,937,320/168,492,740.70 - Step 6: Final answer
x = 224,041,297.05
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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.