Finding the Fourth Proportional to 367,416,013.70, 551,124,020.55 and 149,170,909.70
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Solution
The fourth proportional to 367,416,013.70, 551,124,020.55 and 149,170,909.70 is: 223,756,364.55
Step by Step Solution
- Step 1: Write the proportion equation
367,416,013.70 : 551,124,020.55 = 149,170,909.70 : x - Step 2: Convert to fraction form
367,416,013.70/551,124,020.55 = 149,170,909.70/x - Step 3: Cross multiply
367,416,013.70x = 551,124,020.55 × 149,170,909.70 - Step 4: Simplify right side
367,416,013.70x = 82,211,671,502,964,976 - Step 5: Solve for x
x = 82,211,671,502,964,976/367,416,013.70 - Step 6: Final answer
x = 223,756,364.55
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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.