Finding the Fourth Proportional to 353,768,052.70, 530,652,079.05 and 108,124,212.70
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Solution
The fourth proportional to 353,768,052.70, 530,652,079.05 and 108,124,212.70 is: 162,186,319.05
Step by Step Solution
- Step 1: Write the proportion equation
353,768,052.70 : 530,652,079.05 = 108,124,212.70 : x - Step 2: Convert to fraction form
353,768,052.70/530,652,079.05 = 108,124,212.70/x - Step 3: Cross multiply
353,768,052.70x = 530,652,079.05 × 108,124,212.70 - Step 4: Simplify right side
353,768,052.70x = 57,376,338,264,899,416 - Step 5: Solve for x
x = 57,376,338,264,899,416/353,768,052.70 - Step 6: Final answer
x = 162,186,319.05
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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.