Finding the Fourth Proportional to 170,403,920.80, 255,605,881.20 and 149,358,857.20
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Solution
The fourth proportional to 170,403,920.80, 255,605,881.20 and 149,358,857.20 is: 224,038,285.80
Step by Step Solution
- Step 1: Write the proportion equation
170,403,920.80 : 255,605,881.20 = 149,358,857.20 : x - Step 2: Convert to fraction form
170,403,920.80/255,605,881.20 = 149,358,857.20/x - Step 3: Cross multiply
170,403,920.80x = 255,605,881.20 × 149,358,857.20 - Step 4: Simplify right side
170,403,920.80x = 38,177,002,309,630,960 - Step 5: Solve for x
x = 38,177,002,309,630,960/170,403,920.80 - Step 6: Final answer
x = 224,038,285.80
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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.