Finding the Fourth Proportional to 192,488,587.80, 288,732,881.70 and 141,470,251.80
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Solution
The fourth proportional to 192,488,587.80, 288,732,881.70 and 141,470,251.80 is: 212,205,377.70
Step by Step Solution
- Step 1: Write the proportion equation
192,488,587.80 : 288,732,881.70 = 141,470,251.80 : x - Step 2: Convert to fraction form
192,488,587.80/288,732,881.70 = 141,470,251.80/x - Step 3: Cross multiply
192,488,587.80x = 288,732,881.70 × 141,470,251.80 - Step 4: Simplify right side
192,488,587.80x = 40,847,113,477,038,616 - Step 5: Solve for x
x = 40,847,113,477,038,616/192,488,587.80 - Step 6: Final answer
x = 212,205,377.70
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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.